A Stereo -Atlas of Ostracod Shells
edited by R. H. Bate, D. J. Horne, J. W. Neale,
and David J. Siveter
Volume 12, Part 2; 30th November, 1985
Published by the British Micropalaeontological Society, London
Editors
Dr R.H. Bate, SSI (UK) Ltd., Tannery House, Tannery Lane, Send, Woking, Surrey GU23 7EF.
Dr D.J. Horne, Department of Geology, City of London Polytechnic, Walburgh House, Bigland Street,
London El 2NG.
Prof. J.W. Neale, Department of Geology, The University, Hull HU6 7RH.
Dr David J. Siveter, Department of Geology, The University, Leicester LEI 7RH.
Editorial Board
Dr G. Bonaduce, Stazione Zoologica, 80121 Napoli, Italy.
Dr J.-P. Colin, Esso Production Research - European, 213 Cours Victor Hugo, 33321 Begles,
France.
Dr P. De Deckker, Research School of Pacific Studies, Australian National University, PO Box 4,
Canberra ACT 2600, Australia.
Dr D. van Harten, Universiteit van Amsterdam, Geologisch Instituut, Nieuwe Prinsengracht 130,
Amsterdam, The Netherlands.
Dr I. Purper, Departamento de Paleontologia e Estratigrafia, UFRGS, 90 000 Porto Alegre RS, Brazil.
Dr R.E.L. Schallreuter, Universitat Hamburg, Geologisch-Palaontologisches Institut, Bundesstrasse 55,
D 2000 Hamburg 13, West Germany.
Officers of the British Micropalaeontological Society
Chairman Prof. B.M. Funnell, School of Environmental Sciences, University of East Anglia, Norwich
NR4 7TJ.
Secretary Dr P.P.E. Weaver, Institute of Oceanographic Sciences, Brook Road, Wormley, Godaiming,
Surrey GU8 5UB. Tel: 042-879 4141.
Treasurer Dr J.E. Whittaker, Department of Palaeontology, British Museum (Natural History),
Cromwell Road, London SW7 5BD. Tel: 01-589 6323.
Journal Editor Dr. L.M. Sheppard, SSI (U.K.) Limited, Tannery House., Tannery Lane, Send, Woking,
Surrey GU23 7EF.
Newsletter Editor Dr R.L. Austin, Department of Geology, The University, Southampton S09 5NH.
Tel: (0703) 559122/557941
Conodont Group Chairman Dr R.J. Aldridge, Geology Department, University of Nottingham,
Nottingham NG7 2RD.
Secretary Dr H. A. Armstrong, Department of Geology, The University, Newcastle-upon-Tyne NE1 7RU.
Tel: (0632) 328511.
Foraminifera Group Chairman Dr M.D. Brasier, Department of Geology, University of Hull. Hull HU6 7RX.
Secretary Dr J.V. Weston, SSI (UK) Ltd., Tannery House, Tannery Lane, Send, Woking GU23 7EF.
Tel: (0483) 223902.
Microplankton Group Chairman Dr G.C. Wilkinson, Britoil, 150 St. Vincent Street, Glasgow G2 5LJ.
Secretary Dr J.B. Riding, British Geological Survey, Keyworth, Nottingham NG12 5GT.
Ostracod Group Chairman Dr J. Athersuch, B.P. Research Centre, Chertsey Road, Sunbury-on-Thames,
Middlesex TW16 7LN.
Secretary Mr. I.P. Wilkinson, British Geological Survey, Nicker Hill, Keyworth, Nottingham NG12 5GG.
Tel: (06077) 6111.
Palynology Group Chairman Dr M.C. Boulter, Palynology Research Unit, N.E. London Polytechnic,
Romford Road, London E15 4LZ.
Secretary Mr N. Hooker, Britoil, 150 St. Vincent Street, Glasgow G2 5LJ. Tel: 041-204 2525.
Calcareous Nannofossil Group Chairman Mr E.M. Finch, BP Research Centre, Chertsey Road, Sunbury-
on-Thames, Middlesex TW16 7LN.
Secretary MissH. Stowe, Micropalaeontology Unit, University College, Gower Street, London WC1E 6BT.
Tel: 01-387 7050.
Instructions to Authors
Contributions illustrated by scanning electron micrographs of Ostracoda in stereo-pairs are invited.
Format should follow the style set by the majority of papers in this issue. Descriptive matter apart
from illustrations should be cut to a minimum; preferably each plate should be accompanied by one
page of text only. Blanks to aid in mounting figures for plates may be obtained from any one of the
Editors or Editorial Board. Completed papers should be sent to Dr David J. Siveter.
The front cover shows aright valve (927 /u.m long) of Newnhamia petiola De Deckker, 1979, in life position ;
from the type locality. Pine Tree Creek Lagoon, near Hughenden, Queensland, Australia. This species
swims upside down and can stick to the water surface tension with its flat ventral area.
Printed in the UK by BPCC Northern Printers Ltd., Stanley Road, Blackpool FY1 4QN
(A member of BPCC pic)
A Stereo-Atlas of Ostracod Shells
edited by R. H. Bate, D. J. Horne, J. W. Neale,
and David J. Siveter
Volume 12, 1985
Part 1 (pp. 1-76); 30th May, 1985
Part 2 (pp. 77-158); 30th November, 1985
Published by the British Micropalaeontological Society, London
Stereo- Atlas of Ostracod Shells 12, ii Contents
Contents
1 On Eucythere declivis (Norman); by D. J. Horne & J. E. Whittaker 1
2 On Eucythere anglica Brady; by D. J. Horne & J. E. Whittaker 7
3 On Eucythere prava Brady & Robertson; by D. J. Horne & J. E. Whittaker 11
4 On Piretia commasulcata Schallreuter sp. nov.; by R. E. L. Schallreuter 15
5 On Kroemmelbeinia valertsis Schallreuter sp. nov.; by R. E. L. Schallreuter 19
6 On Glyptocythere raasayensis Stevens sp. nov.; by G. W. Stevens 23
7 On Limnocythere shixiaensis (Wang); by Q. Wang 31
8 On Hiltermannicythere emaciata (Brady); by J. Athersuch & D. J. Horne 39
9 On Hiltermannicythere rubra (Muller); by J. Athersuch & D. J. Horne 45
10 On Brephocharieis complicata (Salter); by D. J. Siveter 49
11 On Henningsmoenia gunnari (Thorslund); by R. J. Orr 57
12 On Henningsmoenia costa Orr sp. nov.; by R. J. Orr 61
13 On Tyrrhenocythere amnicola (Sars); by T. R. Maness & R. L. Kaesler 69
14 On Paranotacythere (Paranotacy there) magnifica Lomax sp. nov.; by A. Lomax 73
15 On Xystista auricularis (Jones); by David J. Siveter 77
16 On Xystista graffhami (Lundin); by R. F. Lundin & David J. Siveter 81
17 On Slependia armata (Henningsmoen); by P. D. Pollicott & David J. Siveter 85
18 On Leptocythere baltica Klie; by D. J. Horne & J. E. Whittaker 93
19 On Leptocythere porcellanea (Brady); by D. J. Horne & J. E. Whittaker 99
20 On Sarsicytheridea lienenklausi (Kuiper); by R. H. Weiss 107
21 On Sarsicytheridea kempfi Weiss sp. nov.; by R. H. Weiss 115
22 On Pokornyella mersondaviesi (Latham); by J. W. Neale 123
23 On Hemicypris dentomarginata (Baird); by K. Martens & K. Wouters 127
24 On Hemicypris bairdi Martens & Wouters sp. nov.; by K. Martens & K. Wouters 135
25 On Gambiella caelata Witte sp. nov.; by L. Witte 141
26 On Gotula gotlandica (Schallreuter); by R. E. L. Schallreuter & R. J. Orr 149
27 On Loxoconcha malcomsoni Horne & Robertson sp. nov.; by D. J. Horne & E. Robinson 157
28 On Palmoconcha laevata (Norman); by D. J. Horne & R. C. Whatley 158
Stereo-Atlas of Ostracod Shells 12 (15) 77-80 (1985) Xystista auricularis (1 of 4)
595.336.13 (113.33) (420:162.003.52) : 551.351 +552.52
ON XYSTISTA AURICULARIS (JONES)
by David J. Siveter
(University of Leicester, England)
Genus XYSTISTA gen. nov.
Type-species: Bollia auricularis Jones, 1887
Latin xystus, covered gallery, & ista, agent; alluding to the antrum & torate velum. Feminine.
Triemilomatellinae having two adventral spurs in small larvae, forming two dorsally connected flanges of un-
equal length in males. Female velum: even lateral outline, rid'ge-like anterodorsal margin to lobal area,
terminates abruptly posteroventrally; ‘thickened’ by several ornamental ridges distally. Antrum dolonal to
admarginal, non-loculate, from anterior to posteroventral regions. H/L2 and L3/L4 = fused complexes; L3
weak or lacking. S2 distinct, sigmoidal.
Xystista should be compared with Australomatella Schallreuter, 1974 (type-species: Ctenentoma ? unguiculata
Opik, 1953) and Spinobolbina Abushik, 1968 (type-species: Spinobolbina bispina Abushik, 1968), from the
Llandovery of Australia and Siberia respectively. A. unguiculata (66 only) is conspecific with the sympatric C ?
dubitabilis Opik, 1953 (99 only); see Jaanusson 1957, Bull. geol. Instn Univ. Uppsala, 37, 411. Opik’s
specimens are destroyed and there is no other extant material (P. Jones, pers. comm.). Though poorly known,
the triemilomatelline Australomatella (Schallreuter, Rev. Espan. Micropal., 6, 166, 1974) differs from Xystista in
at least lacking a well developed antrum (cf. Opik, Mem. geol. Surv. Victoria., no. 19. pi. 12, fig. 122 &p. 34).
Spinobolbina is illustrated (Abushik, Novye vidy drevnich rasteny i bespozvonocnych SSR 4 (2), pi. 58, figs. 9,
10, 1958) only by two tecnomorphic valves, both probably small larvae, and is unidentifiable with regard to the
differences which have proved significant in triemilomatelline taxonomy; 5. bispina is a nomen dubium.
Xystista occurs in Britain and the U.S.A. (X. graffhami, Stereo-Atlas, 12, 81, 1985). May be derived from
stock ancestral to the Ordovician holliniine Grammolomatella Jaanusson, 1957, which differs in S2 morphology
Explanation of Plate 12, 78
Fig. 1, 2 RV, ext. lat. (OS 12268, 1325/am long); figs. 2-4, 6 LV (OS 12266, 1200/u.m long): fig. 2, ext. post., fig 3, ext. lat. ; fig. 4, ext.
vent.; fig. 5, 2 LV, ext. vent. obi. (OS 12570, 1050/u.m long).
Scale A (200/u.m; x43), fig. 1; scale B (200/xm; x46), figs. 2-4; scale C (200/am; x 52), fig. 5.
Stereo- Atlas of Ostracod Shells 12, 79 Xystista auricularis (3 of 4)
Derivation of name:
Diagnosis:
Remarks:
Remarks (contd.):
(dorsally), in having a much shorter female velum and males with two unconnected velar spurs and possibly in
antral morphology.
Xystista auricularis (Jones, 1887)
Bollia auricularis, sp. nov. T. R. Jones, Ann. Mag. nat. Hist., (5) 19, 408, pi. 13, figs. lOa-c.
Bollia auricularis Jones; G. R. Vine, Proc. Yorks, geol. & polytech. Soc., 9 (3), 399.
B ollia (?) auriclaris , J.; E. O. Ulrich, Jl. Cincin. Soc. nat. Hist., 13, 185.
B ollia auricularis, Jones; J. Smith, Trans, nat. Hist. Soc. Glasg., 3, 145 & table.
B ollia auricularis, Jones; F. Chapman, Ann. Mag. nat. Hist., (7), 7, 150 (=T.prisca Jaanusson & Martinsson, 1956).
Ctenobolbina auricularis (Jones); E. O. Ulrich & R. S. Bassler, Proc. U.S. natn. Mus., 35, 311, pi. 40, figs. 25-27.
Ctenobolbina auricularis (Jones); R. S. Bassler & B. Kellett, Spec. Pap. geol. Soc. Am., 1, 68, 249 (pars), non 67.
Parabolbina auricularis (Jones, 1887); G. Henningsmoen, Norsk geol. Tidsskr., 31. 240, pi. 1, figs. 5-8 ( = T. prisca J & M)
Triemilomatella auricularis (Jones, 1887); V. Jaanusson & A. Martinsson, Bull. geol. Instn Univ. Uppsala, 37, 403, 407.
Australomatella’ auricularis (Jones, 1887); D. J. Siveter. Spec. Pap. Palaeontology, 32, 76, pi. 1, figs. 7-9.
Holotype: British Mus. (Nat. Hist.) no. 12376; 9 carapace, no. 26 of Smith (see 1892). Type by monotypy.
Type locality: “Railway cutting, side of (River) Severn below Benthall Edge, Ironbridge” (Smith 1892, 145); = c.
800m W of Ironbridge, Shropshire, England. Coalbrookdale Fm., Wenlock Series, Silurian.
British Museum (Nat. Hist.) nos. I 2376 (holotype, $ car.: PI. 12, 80, fig. l),OS 12266 (dLV: PI. 12, 78, figs. 2-4),
OS 12268 (9 RV: PI. 12, 78, fig. 1), OS 12570 ( 9 LV: PI. 12, 78, fig. 5), OS 12571 (9 RV: PI. 12, 80, figs. 2-4), OS
12572 (tecnomorphic car.: PI. 12, 80, fig. 5). Coalbrookdale Fm. at type locality and Iocs. 20 (OS 12266, OS
12268, OS 12571, OS 12572) and 48b (OS 12570) of Siveter 1980 (Palaeontogr. Soc. Monogr., 133, no. 556).
Smooth Xystista. Dimorphs have 2 fine lateral ridges adjacent and parallel to velar edge and 2 similar toric ridges.
S2 weak ventrally; anterior and posterior lobal complexes weakly connected. L3 redundant.
X. auricularis differs fromX. graffhami by its less concave antrum, its redundant L3 & ventrally less well developed
S2, the number & spacing of lateral & toric ridges distally on the velum, & by its apparent lack of ornament.
Known only from the Welsh Borderland, at the type locality and Iocs. 20, 48b, and 48c of Siveter
1980; all upper part of the Coalbrookdale Fm., Homerian Stage, Wenlock Series, Silurian.
1887
1888
1891
1892
non 1901
1908
1934
non 1953
1956
1984
Figured specimens:
Diagnosis:
Remarks:
Distribution:
Explanation of Plate 12, 80
Fig. 1, 9 car., RV lat. (holotype, I 2376, 1375/u.m long); figs. 2-4, 9 RV (OS 12571, 1300 pm long): fig. 2, ext. ant.; fig. 3, ext. lat.; fig. 4.
ext. vent.; fig. 5, tecnomorphic RV, ext. lat. (OS 12572, 925)um long).
Scale A (200pm- x43), fig. 1; scale B (200Mm; x43), figs. 2-4; scale C (200/um; x 55), fig. 5.
Stereo- Atlas of Ostracod Shells 12, 78
Xystista auricularis (4 of 4)
Xyslista auricularis (2 of 4)
Stereo-Atlas of Ostracod Shells 12, 80
Stereo-Atlas of Ostracod Shells 12 (16) 81-84 (1985) Xystista graffhami (1 of 4)
595.336.13 (113.33) (766 : 162.096.34) : 551.351 + 552.52
ONIY5r/5L4 GRAFFHAMI (LUNDIN)
by Robert F. Lundin & David J. Siveter
(Arizona State University, Tempe, U.S.A. & University of Leicester , England)
Xystista graffhami (Lundin, 1965)
1965 Grammolomatella graffhami sp. nov.; R. F. Lundin, Bull. Okla. geol. Surv., 108, 33, pi. 7, figs. 2a-l, text-figs. 14a-c.
1974 Australomatella graffhami (Lundin, 1965); R. E. L. Schallreuter, Rev. Espan. Micropaleo ., 6, 166.
1980 Gramolomatella graffhami Lundin, 1965; G. Qv ale, Norsk geol. Tidsskr., 60, 107.
1981 Australomatella graffhaimi (Lundin) (sic); V. A. Ivanova. Paleont. Zh., 15(4), 14.
Holotype: Museum of Invertebrate Paleontology, University of Oklahoma (OU), no. 5100; 9 LV.
Type locality: Section ‘PI 8’ of Lundin (1965, 16), East of Boisd’ Arc Creek, Pontotoc County, Oklahoma, U.S. A.;
90ft below the top of the Henryhouse Formation, probable Ludlow Series, Silurian.
Diagnosis: Finely reticulo - granulose species of Xystista with females having one lateral velar ridge almost at
and parallel to velar edge, closely beneath which are two toric ridges, the nearest being separated
from the edge itself by a relatively wide, concave, shelf-like distal part of the velum which throughout
has a transverse chevron pattern of fine ridges. Antrum strongly concave with prominent inner
antral ridge (= ‘fence’). L3 weakly developed; S2 extends from dorsum to velum.
Figured specimens: Museum of Invertebrate Paleontology, University of Oklahoma (OU), nos. 5100 (holotype, 9 LV:
PI. 12, 84, fig. 1), 5251c (d LV: PI. 12, 82, figs. 4, 5; PI. 12, 84, fig. 3), 5251f (tecnomorphic LV: PI.
12, 84, fig. 5), 5251h (tecnomorphic LV: PI. 12, 84, figs. 7, 8), 10453 (9 RV: PI. 12, 82, figs. 1-3; PI.
12, 84, figs. 4, 6), 10454 (9 LV: PI. 12, 84, fig. 2). All from the type locality and horizon.
Explanation of Plate 12, 82
Figs. 1-3, $ RV (OU 10453, 1375/um long): fig. 1, ext. ant.; fig. 2, ext. lat. ; fig. 3, int. vent. obi. Figs. 4, 5, 6 LV (OU 5251c, 1250/um long):
fig. 4, ext. vent.; fig. 5, ext. lat.
Scale A (200/xm; x40), figs. 1-3
scale B (200/u.m; x43), figs. 4, 5.
Stereo- Atlas of Ostracod Shells 12, 83 Xystista graffhami (3 of 4)
Remarks: The Ordovician Scandinavian Grammolomatella differs in that its males have two unconnected velar
spurs; its S2 is narrower and less well developed than in Xystista; and its female velum is much
shorter (Jaanusson, Bull. geol. Instn Univ. Uppsala , 37, 411, pi. 12, figs. 23-25, text-fig. 45).
X. graffhami differs from the British Wenlock type-species, X. auricularis Jones, 1887 (see
Siveter, Stereo-Atlas of Ostracod Shells, 12, 77-80, 1985), by its more concave antrum and slightly
better developed L3, by the number and spacing of lateral and toric ridges distally on the velum and
in having lobal ornament. The more pronounced antrum and lobes in X. graffhami are, phylo-
genetically, what might be expected from its slightly younger age. This congeneric ostracode link
between Britain and Oklahoma, across the remnant Iapetus Ocean, is untypical. The Silurian
ostracodes of Oklahoma are part of a non-palaeocope dominated ‘mid-continent’ province of North
America, in which palaeocope ostracodes, though in some instances diverse, are not common
elements of the fauna (Lundin, Bull. Cent. Rech. Pau-SNPA, 5, 853-868, 1971). Thiscontrasts with
the ‘European’ province of southern Britain and Baltoscandia in which palaeocopes are very diverse
and abundant.
Tecnomorphs of X. graffhami have at least the lateral ornamental ridge and a toric ridge
distally on the velum; although possibly a preservational factor, the existence of a second toric ridge
(as in females) is unconfirmed. Females have a further dimorphic structure: a stout, curved, lip-like
admarginal ridge, present only adjacent to the antrum and surmounted adventrally by the marginal
ridge which itself is entire between cardinal corners (PI. 12, 82, fig. 3). This type of inner antral fence
is lacking in the type-species. The pattern of very fine ridges laterally and ventrally along the female
velar edge of X. grafflmmi also occurs in tecnomorphs.
Distribution: Known from two localities (P18-1, Cal-8 of Lundin, 1965) in the Henryhouse Fm., Ludlow Series,
Silurian, of Oklahoma. A closely related, but poorly known form of the genus has been found in the
basal Brownsport Fm., Ludlow Series, of western Tennessee.
Acknowledgment: D.J.S. gratefully acknowledges support from the University of Leicester and the Royal Society.
Explanation of Plate 12, 84
Fig. 1, 9 LV, ext. lat. (holotype, OU 5100, 1340/u.m long); fig. 2, 9 LV, ext. ant. (OU 10454, 1310/i.m long); fig. 3 6 LV, ext. ant.
(OU 5251c); fig. 4, 9 RV, ant. detail of velar edge (OU 10453); fig. 5, tecnomorphic LV, ext. lat. (OU 5251f, 1 120/u.m long); fig. 6,
9 RV, ornament on L3 (OU 10453). Figs. 7, 8, tecnomorphic LV, ext. lat. (OU 5251h, 960/zm long): fig. 7, ext. lat.; fig. 8, ext. vent.
Scale A (200/u.m; x 42), figs. 1-3, 5; scale B (100/u.m; x 100), fig. 4; scale C (100/u.m; x 135), fig. 6; scale D (200p.m; x 47), figs. 7, 8.
Xystista graffhami (4 of 4)
Stereo- Atlas of Ostracod Shells 12, 84
Stereo- Atlas of Ostracod Shells 12, 82
Xystista graffhami (2 of 4)
Stereo-Atlas of Ostracod Shells 12 (17) 85-92 (1985) Slependia armata (1 of 8)
595.336.11 (113.331) (481 : 161.010.59) : 551.35 + 552.54
ON SLEPENDIA ARMATA (HENNINGSMOEN)
by Paul D. Pollicott & David J. Siveter
(University of Leicester , England)
Genus SLEPENDIA Martinsson, 1962
Type-species (by original designation) : Craspedobolbina armata Henningsmoen, 1954
Diagnosis: Reticulo-striate and tuberculate Beyrichiinae (?) with elongate, anteroventral crumina well assimi-
lated with anterior lobal complex; intervening depression lacking. Crumina with coarse, ventral
striae. Velum narrow, flange like, extending between cardinal corners, restricted posteroventrally in
tecnomorphs; interrupted by crumina in females. Velar restriction identified in females by position
of posterior spine on crumina. Syllobium and anterior lobe each with a low plica. Zygal arch almost
obsolete in tecnomorphs and assimilated in crumina. Prenodel sulcus virtually lacking; adductorial
sulcus prominent.
Remarks: Slependia is closest to the Baltoscandian beyrichiine Bingeria Martinsson, 1962, but differs particu-
larly in having a more assimilated crumina and a tecnomorphic velar restriction and a corresponding
cruminal spine.
The subfamilial assignment of Slependia is equivocal. Kesling & Rogers (op. cit., 1000)
tentatively regarded the genus as a kloedeniid, but Martinsson (op. cit., 262) considered it to
possibly have a subcruminal dolonoid plication characteristic of zygobolbine beyrichiacians. The
subcruminal morphology has been prepared (with great difficulty) in two of our females and shows
that no such plication exists; the specimens have a cruminal morphology, lobation and ornament
reminiscent of the beyrichiine-like Bingeria (see PI. 12, 86, figs. 1-4).
Explanation of Plate 12, 86
Fig. 1 , 9 RV, ext. lat. (PMO 113.162, 1.68mm long). Figs. 2, 3, 9 RV (PMO 113. 163, 1.60mm long): fig. 2, ext. vent, obi.; fig. 3, ext. vent.
Fig. 4, 6 LV, ext. lat. (PMO 113.164, 1.56mm long).
Scale A (270/nm; x 37), figs. 1-3; scale B (250/um; x 39), fig. 4.
Stereo-Atlas of Ostracod Shells 12, 87 Slependia armata (3 of 8)
Remarks (contd.): Slependkia and Bingeria are rare European representatives of a group of atypical beyrichiine
genera best known from North America e.g. Lophokloedenia and Welleriopsis (both Swartz &
Whitmore 1 956, J. Paleont., 30). It is likely that these unrevised genera form the basis of a distinct,
yet hitherto undescribed beyrichiid subfamily (Martinsson 1962). Both Slependia and Bingeria
differ from typical beyrichiinae in having reticulo-striations rather than granulation/tuberculation as
their ground pattern ornament, although even in Slependia in places the individual striae consist
largely of single lines of granules (see PI. 12, 88, fig. 4).
Slependia armata (Henningsmoen, 1954)
1954 Craspedobolbina armata sp. n. G. Henningsmoen, Norsk, geol. Tidsskr., 34, 47, pi. 4, figs. 1-4, pi. 8, figs. 10, 11.
1957 Craspedobolbina armata Henningsmoen, 1954; R. V. Kesling & K. J. Rogers, J . Paleont., 31, 1000, pi. 129, figs. 1-7.
1957 Craspedobolbina armata Henningsmoen; R. V. Kesling, Contr. Mus. Paleont. Univ. Mich., 14, 64, pi. 6, figs. 1-3.
non 1962 Craspedobolbina cf. armata Henningsmoen; L. Sar v.Eesti NSV Tead. Akad. Geol. Inst. Uurim., 9, 125, pi. 7, figs. 10-13.
1962 Slependia armata (Henningsmoen); A. Martinsson, Bull. geol. Instn Univ. Uppsala., 41, 262.
1970 Slependia armata (Henningsmoen); M. J. Copeland, Bull. geol. Surv. Can., 187, 4.
1982 Splendia armata (Henningsmoen, 1 954) (sic)-, D. J. Siveter in; D. Worsley (Ed ,),Paleo. Contr. Univ. Oslo., 278, 123, pi. 1,
figs. 1, 2.
Paleontologisk Museum, Oslo, PMO 52974a; 9 RV.
Slependen, Asker district, Oslo region, Norway; approx, lat. 59° 54'N, long. 10°29'E (see Text-fig. 1).
Upper Solvik Formation, Etage 6c/3;Silurian (see Worsley 1982, op. cit.).
Paleontologisk Museum, Oslo, nos. PMO 113. 162 (9 RV: PI. 12, 86, fig. 1), PMO 113.163 (9 RV:
PI. 12, 86, figs. 2, 3),PMO 113.164 (c?LV: PI. 12, 86, fig. 4), PMO 113.165 (6 RV: PI. 12, 88, figs.
1-4), PMO 113.166 (<J RV: PI. 12, 90, figs. 1, 2), PMO 113.167 (9 RV: PI. 12, 90, fig. 3), PMO
113.168 (J LV: PI. 12, 92, fig. 1), PMO 113.169 (9 LV: PI. 12, 92, figs. 2, 3). All figured specimens
from the type section and horizon, Solhaugvn, Slependen (see Text-fig. 1).
Diagnosis: As for the genus. Slependia is currently monotypic.
Holotype:
Type locality:
Figured specimens:
Explanation of Plate 12, 88
Figs. 1-4, <J RV (PMO 113.165, 1 .61 mm long): fig. 1, ext. lat.; fig. 2, vent, obi.; fig. 3, lat. velar ornament; fig. 4, reticulo-striation on
ant. lobe.
Scale A (270/am; x 37), fig. 1; scale B (290 /urn; x 35), fig. 2; scale C (40/u.m; x 248), fig. 3; scale D (15/am; x670), fig. 4.
Stereo-Atlas of Ostracod Shells 12, 86
Slependia armata (2 of 8)
Stereo-Atlas of Ostracod Shells 12, 88
Slependia armata (4 of 8)
Stereo- Atlas of Ostracod Shells 12, 89 Slependia armata (5 of 8)
Remarks: Intraspecific variation of the velar flange occurs in tecnomorphs; most have a posteroventral restric-
tion but in some specimens it appears weak or is lacking. Similarly, a hair-line-like syllobial grove is
sometimes present (PI. 12, 86, fig. 4). The lobal reticulo-striations are in part composed of fine,
linearly arranged granules (PI. 12, 88, fig. 4). Fine striae cover both velar flange and the weak torus
(PI. 12, 88, figs. 2, 3).
Distribution: S. armata is known only from the middle Llandovery (Etage 6b-7b, lower Silurian of the Oslo
region, Norway, where it has been collected from localities at Ringerike, Asker, Skien, Hadeland
and Holmestrand (Pollicott in prep.) All material occurs as calcareous valves in limestone.
Explanation of Plate 12, 90
Figs. 1, 2, S RV (PMO 113.166, 1.52 mm long): fig. 1, ext. lat. ; fig. 2, reticulo-striation and tubercles on post. lobe. Fig. 3, $ RV, ext. lat.
(PMO 113.167, 1.72mm long).
Scale A (240/u.m; x41), fig. 1; scale B (24 yum; x418), fig. 2; scale C (290yum; x 35), fig. 3.
Stereo- Atlas of Ostracod Shells 12, 91 Slependia armata (7 of 8)
Text-fig. 2. Reconstructions of Slependia armata. 2a, b, 9LV (based on PMO 1 13.69): a, ext. lat.; b, ext. vent. 2c, d, c?LV (based on PMO
113.64): c, ext. lat.; b, ext. vent.
Explanation of Plate 12, 92
Fig. 1 , 6 LV (PMO 113.168, 1.52 mm long). Figs. 2, 3, 9 LV (PMO 113.169, 1.80 mm long): fig. 2, reticulo-striation on ant. lobe; fig. 3,
ext. lat.
Scale A (255/um; x 39), fig. 1; scale B (23yum; x430), fig. 2; scale C (300/um; x 33), fig. 3.
Stereo- Atlas of Ostracod Shells 12, 90
Slependia armata (8 of 8)
Slependia armata (ft of 8 )
Stereo- Atlas of Ostracod Shells 12, 92
Stereo-Atlas of Ostracod Shells 12 (18) 93-98 (1985) Leptocythere baltica (1 of 6)
595.337.14(119.9) (430: 161.010.54 + 493: 161.004.51 + 262.26: 161.002.51 + 420: 162.003.50 + 420: 161.000.52) : 551.351
ON LEPTOCYTHERE BALTICA KLIE
by David J. Horne & John E. Whittaker
(City of London Polytechnic, & British Museum ( Natural History), London)
Leptocythere baltica Klie, 1929
1869 Cythere porcellanea Brady; G. S. Brady & D. Robertson, Ann Mag. nat. Hist., (ser. 4) 3, 366-367 (pars), pi. 19, figs. 1-4; non
Brady, 1869.
1929 Leptocythere baltica sp. nov. W. Klie, Z. wiss. Zool., 134, 279-282, text-figs. 8-11.
Type specimens: Zoologisches Museum, Hamburg, W Germany, nos. 61-63 (many specimens preserved in glycerine),
63a and 1346 (male dissection slides).
Type locality: Kiel Bay, W Germany (western Baltic), approx, lat. 54" 25'N, long. 10° 30'E; Recent, littoral.
Explanation of Plate 12, 94
Fig. 1, 9 car., rt. lat. (syntype, Hamburg Museum specimen A, 480/u.m long); fig. 2, S car., It. lat. (1.06.21, 550/u.m long); fig. 3, 9 car..
It. lat. (1.06.20, 520/u.m long).
Scale A (lOO^um; x 125), figs. 1-3.
Stereo-Atlas of Ostracod Shells 12, 95 Leptocythere baltica (3 of 6)
Figured specimens: Zoologisches Museum, Hamburg, W Germany, specimen A (syntype, 9 car.: PI. 12, 94. fig. 1),
specimen B (syntype, <S copulatory appendage: Text-fig. la). Hancock Museum, Newcastle-upon-
Tyne, England, nos. 1.06.21 (c? car.: PI. 12, 94, fig. 2), 1.06.20 (9 car.: PI. 12, 94, fig. 3). Brit. Mus.
(Nat. Hist.), nos. 1985.93 (9 car.: PI. 12, 96, fig. 1), 1985.94 (9 car.: PI. 12, 96, fig. 2), 1985.95
(<? LV: PI. 12, 96, fig. 3).
The Hamburg Museum specimens are from the Klie collection: A from tube 61 and B from
dissection slide 1346. The Hancock Museum specimens, from the River Scheldt, Belgium, were both
taken from slide no. 2.11.19 in the Brady collection and were listed in Brady’s notebook as “Cythere
porcellanea’’ . British Museum (Nat. Hist.) no. 1985.93 is from a core sample (? sub-Recent) taken
in the Sandettie-Fairy Bank area of the southern N Sea (approx, lat. 51J 20'N, long. 2° 10'E);
no. 1985.94 was collected by J. E. Whittaker from Smallmouth, The Fleet, Dorset, S England
(approx, lat. 50° 35'N, long. 2° 30'W); and no. 1985.95 is from Boston, Lincolnshire, E England
(approx, lat. 52° 55'N, long. 0° 03'E) and was provided by J. E. Robinson.
Diagnosis: Small to medium sized (450-550/xm long) species of Leptocythere . Valves ornamented with
scattered shallow pits; posterodorsal marginal area compressed, posteroventral alar protuberances
absent. Greatest height in front of mid-length, greatest width close to mid-length. Colour white in
living specimens. Distal process of male copulatory appendage sub-triangular with a reduced,
pointed anteroventral corner and a produced, sub-rounded posteroventral corner.
Explanation of Plate 12, 96
Fig. 1, 9 car., dors. (1985.93, 500/xm long); fig. 2, 9 car., rt. lat. (1985.94, 460/um long); fig. 3, <3 LV, int. lat. (1985.95, 490 /tzm long).
Scale A (100/u.m; x 125), figs. 1-3.
Stereo- Atlas of Ostracod Shells 12, 94
Leptocythere baltica (2 of 6)
Stereo- Atlas of Ostracod Shells 12, 96
Leptocythere baltica (4 of 6)
Stereo-Atlas of Ostracod Shells 12, 97 Leptocythere baltica (5 of 6)
Remarks: Our comparison of Klie’s type material of L. baltica with the specimens illustrated by Brady &
Robertson (1869, op. cit. ) as Cythere porcellanea Brady (non Brady, 1869; see Horne & Whittaker,
Stereo-Atlas of Ostracod Shells , 12 (19) 99-106, 1985) has show that they are conspecific. Klie’s
syntypes are decalcified and do not retain their shape when removed from their glycerine preserving
medium. Nevertheless one such specimen is illustrated herein for comparative purposes.
Distribution: Recent; littoral, in marine or slightly reduced salinities, on sand associated with algae. Coasts of
NW Europe, including the western Baltic (Klie, op. cit. and authors’ collections).
Stereo- Atlas of Ostracod Shells 12, 98 Leptocythere baltica (6 of 6)
Text-fig. 1. Leptocythere baltica : a, male copulatory appendage, syntype (Hamburg Museum specimen B; slide no. 1346);
b, male copulatory appendage; c, $RV, int. lat., seen in transmitted light. Drawings b-c are based on study of several British
specimens.
Stereo-Atlas of Ostracod Shells 12 (19) 99-106 (1985) Leptocythere porcellanea (1 of 8)
595.337.14 (119.9) (493 : 161.004.51 + 420 : 162.002.50) : 551.313.2
ON LEPTOCYTHERE PORCELLANEA (BRADY)
by David J. Horne & John E. Whittaker
(City of London Polytechnic & British Museum (Natural History ), London)
Leptocythere porcellanea (Brady, 1869)
1869 Cythere porcellanea sp. nov. G. S. Brady, Ann. Mag. nat. Hist., (ser. 4) 3, 47, pi. 7. figs. 1-4.
1869 Cythere porcellanea Brady; G. S. Brady & D. Robertson, Ann. Mag. nat. Hist. (ser. 4) 3, 366-367 (pars)', non pi. 19, figs. 1-4.
1909 Cythere ilyophila sp. nov. N. Hirschmann, Meddn. Soc. Fauna Flora fenn., 35, 289, text-figs. 5, 6.
1938 Leptocythere ilyophila (Hirschmann); W. Klie, in: F. Dahl, Die Tierwelt Deutschlands, 34 (3), 169, text-figs. 560, 561.
Lectotype: Hancock Museum, Newcastle-upon-Tyne, England, no. 1.39.37, carapace.
Type locality: River Scheldt, near Antwerp, Belgium; approx, lat. 51° 18'N, long. 4° 20'E; Recent.
Figured specimens: Hancock Museum, no. 1.39.37 (Lectotype, 9 car.: PI. 12, 100, fig. 1). British Museum (Nat. Hist.),
nos. 1985.96 (9 car.: PI. 12, 100, fig. 2), 1985.97 (dear.: PI. 12, 100, fig. 3), 1985.98 (d car.: PI. 12,
102, fig. 1), 1985.99 (9 car.: PI. 12, 102, fig. 2), 1985.100 (9 LV: PI. 12, 102, fig. 3), 1985.101 (d
car.: PI. 12, 104, fig. 1), 1985.102 (9 car.: PI. 12, 104, fig. 2), 1985.103 (9 car.: PI. 12, 104, fig. 3),
1985.104 (d RV: PI. 12, 106, fig. 1), 1985.105 (9 car.: PI. 12, 106, fig. 2), 1985.106 (juv. - 1 car.:
PI. 12, 106, fig. 3). The lectotype was taken from slide no. 2.04.02 in the G. S. Brady Collection,
Hancock Museum. British Museum (Nat. Hist.) nos. 1985.96- 106 were all collected in 1959-60 by
J. W. Murray from Mother Siller’s Channel, a tidal creek in Christchurch Harbour, Dorset,
S England; approx lat. 50° 43'N, long. 1° 45'W; Recent, brackish water.
Explanation of Plate 12, 100
Fig. 1, 9 car., It. lat. (smooth form; lectotype, 1.39.37, 490 ;u.m long); fig. 2, 9 car.. It. lat. (smooth form; 1985.96, 510^m long); fig. 3,
8 car.. It. lat. (1985.97, 430^im long).
Scale A (100/u.m; x 125), figs. 1-3.
Stereo- Atlas of Ostracod Shells 12, 101 Leptocythere porcellanea (3 of 8)
Diagnosis: Small to medium sized (450-550/u.m long) species of Leptocythere . Greatest height well in front of
mid-length, valves smooth or pitted, with prominent posteroventral alar protuberances. In dorsal
view, greatest width in front of mid-length. Colour buff or light brown in living specimens. Distal
process of male copulatory appendage subtriangular with a pointed anteroventral corner and a
moderately produced, subrounded posteroventral corner; free end of ductus ejaculatorius relatively
short.
Remarks: The original description of C. porcellanea was, according to Brady (1869, op. cit.), based on a single
specimen. Later in the same year Brady & Robertson (1869, op. cit.), in possession of additional
material, felt it necessary to redescribe the species . . . “The Dutch specimens from which this species
was originally described appear to either young or stunted individuals; and the figures which
accompanied the description do not give a correct idea of the adult shell”. The type slide in the
Hancock Museum was found to contain not one but two specimens (but note Brady & Robertson’s
reference to the original material in the plural), both adults and matching the original description
and illustrations; one of these, which we believe to be the specimen illustrated by Brady, has been
selected by us as lectotype. This is clearly conspecific with Leptocythere ilyophila (Hirschmann,
1909), by which name this species has been hitherto commonly known. A second slide (Hancock
Museum no. 2.11.19) was found to contain 11 specimens, listed in Brady’s notebook as Cythere
porcellanea, which clearly represent the additional material on which Brady & Robertson’s re-
description was based. Of these, the largest specimens correspond to Brady & Robertson’s new
illustrations of Cythere porcellanea', these are not conspecific with the original type material and are
referable to Leptocythere baltica Klie, 1929 (see Horne & Whittaker, Stereo-Atlas Ostracod Shells
12 (18) 93-98, 1985).
Explanation of Plate 12, 102
Fig. 1, 8 car., rt. lat. (1985.98, 440/u.m long); fig. 2, 9 car.. It. lat. (ornamented form; 1985.99, 480/i.m long); fig. 3, 9 LV, int. lat.
(1985.100, 500 pm long).
Scale A (100 x 125), figs. 1-3.
Leptocythere porcellanea (2 of 8)
Stereo-Atlas of Ostracod Shells 12, 100
Stereo-Atlas of Ostracod Shells 12, 102
Leptocythere porcellanea (4 of 8)
Stereo-Atlas of Ostracod Shells 12, 103 Leptocythere porcellanea (5 of 8)
Remarks (contd.): Like many other Leptocythere species, L. porcellanea exhibits considerable variation in
carapace ornament. Both smooth (see PI. 12, 100, fig. 2) and pitted (see PI. 12, 102, fig. 2) females
may be found in the same population, while males are usually pitted only in the posterior third of the
shell.
Distribution: Recent; brackish, estuarine creeks, on stable mud substrates. Coasts of NW Europe, including the
Baltic (authors’ collections).
Explanation of Plate 12, 104
Fig. 1, 8 car., dors. (1985. 101, 450/xm long); fig. 2, 9 car., dors, (smooth form; 1985.102, 480/u.m long); fig. 3, 9 car., vent, (ornamented
form; 1985.103, 480/u.m long).
Scale A (100 /am; x 125), figs. 1-3.
Stereo- Atlas of Ostracod Shells 12, 105 Leptocythere porcellanea (7 of 8)
Text-fig. \ . Leptocythere porcellanea '. a, dRV, int. lat., seen in transmitted light; b, 8 copulatory appendage.
Both drawings based on study of several British specimens.
Explanation of Plate 12, 106
Fig. 1 , 8 RV, int. lat. with appendages (1985. 104, 430 pm long); fig. 2, 9 car., It. lat. (ornamented form; 1985.105, 510/u.m long); fig. 3,
juv. (- 1) car., It. lat. (1985.106, 420/u.m long).
Scale A (100/am; x 125), figs. 1-3.
Stereo- Atlas of Ostraeod Shells 12, 104
Leptocythere porcellanea (6 of 8)
Stereo- Atlas of Ostraeod Shells 1 2, 1 06
Leptocythere porcellanea (8 of 8)
Stereo-Atlas of Ostracod Shells, 12 (20) 107-114 (1985) Sarsicytheridea lienenklausi (1 of 8)
595.337.14 (118.15) (430.1 : 161.006.51) : 551.351 + 552.51
ON SARSICYTHERIDEA LIENENKLAUSI (KUIPER)
by Roseline H. Weiss
(Geological Institute, University of Cologne, Germany)
Sarsicytheridea lienenklausi (Kuiper, 1918)
*1918
1957
? 1958
? 1960
non 1962
1963
1983
Cytheridea lienenklausi sp. nov. W. N. Kuiper, Dm. Univ. Groningen, 31, pi. 1, fig. 10.
Haplocytheridea curvata (Lienenklaus); A. J. Keij , Mem. Inst. r. Sci. nat. Belg., 136. 59, pi. 2, figs. 9, 10, pi. 3, figs. 17-21.
Cytheridea sp. 1; C. Ellermann, Fortschr. Geol. Rheinld. West/., 1, 210, tab. 2.
Cytheridea sp. 1; C. Ellermann, Geol. Jb., 77, 696, tab. 56.
Eucytheridea lienenklausi (Kuiper); M. A. A. Bassiouni, Roemeriana, 3, 19, pi. 2, figs. 4a-c, 5a-c.
Eucytheridea lienenklausi (Kuiper); van den Bold, Neues Jb. Geol. Palaont., Mh., 1963, 114, figs, la-c, non fig. Id.
Sarsicytheridea lienenklausi (Kuiper); R. H. Weiss , Palaeontographica Abt. A, 182 (4-6), 100, pi. 25, figs. 1, 5, 6, pi. 26,
figs. 1-8, text-figs. 14, 15.
Type specimens: The types of S. lienenklausi are not amongst Kuiper’s Collection at Rijks Geologische Dienst
Haarlem, Netherlands and are presumed lost.
Type locality: Boring 22 (Liessel), Gemeente Deurne, Sectie H, perceel 3754, Netherlands; Miocene (100- 190 m
depth).
Explanation of Plate 12, 108
Fig. 1, 2 car., ext. dors. (GIK 932-1807, 725/u.m long); fig. 2, d car., ext. vent. (GIK 932-1803. 763^m long).
Scale A (100 pm; x 125), figs. 1, 2.
Stereo-Atlas of Ostracod Shells 12, 109 Sarsicytheridea lienenklausi (3 of 8)
Figured specimens: Geologisches Institut, University of Cologne (GIK), nos. 932-1801 (d RV; PI. 12, 114, fig. 2), 932-
1802 (d LV: PI. 12, 112, fig. 1), 932-1803 (d car.: PI. 12, 108, fig. 2), 932-1805 (d LV: PI. 12, 112,
fig. 2), 932-1806 (d RV; PI. 12, 110, fig. 2), 932-1807 (9 car.: PI. 12, 108, fig. 1), 932-1809 (9 RV:
PI. 12, 114, fig. 1), 932-1811 (9 RV: PI. 12, 110, fig. 1).
All specimens were collected by Prof. E. K. Kempf in 1961 at a depth of 54.2-55.5 m from
shaft Tonisberg near Krefeld, Germany (German Nat. Grid Ref.: R 34033, H 97555; long. 6° 29'E,
lat. 51° 25'N); upper Oligocene, Sphenolithus ciperoensis Zone (NP25) according to Benedek &
Muller (Neues Jb. Geol. Palaont., Mh., 1974, 388); fine sand (grain size 0.2-0.06 mm = 92.5%) with
abundant molluscs and foraminifera according to Kempf (Niederrhein, Krefeld, 35, fig. 2, 1968);
shallow marine (5-20m water depth) according to Goerlich ( Fortschr . Geol. Rheinld. Westf., 1, 220,
1958).
Diagnosis: In dorsal view carapace lenticular, sides regularly rounded, anterior end with slightly projecting lip
in each valve, posterior end slightly indented at the line of junction of the valves; subtrapezoidal in
lateral view, anterior end obliquely rounded, dorsal margin straight to slight convex. Posterior end
narrowly rounded posteroventrally, ventral margin in left valve straight, very slightly concave in
right valve. Left valve larger, overlapping the right valve almost along the entire periphery, except
parts of the ventral margin (in front of the middle and at the posterior end) where the right valve
overlaps the left. Surface finely pitted. Anteriorly and posteroventrally vestibules are present.
Remarks: Sexual dimorphism pronounced, the males being lower, more elongate and in dorsal view narrower.
Differences discussed in detail by Weiss (1983, op. cit.). With respect to internal features Sarsi-
cytheridea lienenklausi is very similar to 5. kempfi Weiss (see Stereo-Atlas of Ostracod Shells 12(21),
115, 1985). Differences are observable in the distribution pattern of normal pore-canals. Further-
more two types of normal pore-canals are present: with sieve-plates and those of funnel-type. The
latter type is present at the anterior end of the both valves and normally shows a lip around the
opening.
Explanation of Plate 12, 110
Fig. 1, 9 RV, ext. lat. (GIK 932-1811, 713,um long); fig. 2, 3 RV, ext. lat. (GIK 932-1806, 750^™ long).
Scale A (100 /um; x 127), figs. 1, 2.
Stereo-Atlas of Ostracod Shells 12, 108 Sarsicytheridea lienenklausi (2 of 8)
Sarsicytheridea lienenklausi (4 of 8)
Stereo- Atlas of Ostracod Shells 12, 110
Stereo-Atlas of Ostracod Shells 12, 111
Size:
(A)
Sarsicytheridea lienenklausi (5 of 8)
(B)
Table. 1. Measurements on specimens: N = no. of specimens; x = mean; L = length; H = height; W = width;
A = valves; B = carapaces.
Distribution: Miocene: Deurne, Swalmen and Sevenum (borings), Netherlands (Kuiper 1918, op. cit.); Odijk
near Utrecht (boring), Netherlands.
Upper Oligocene: Sevenum, Netherlands (Kuiper 1918, op. cit.); Shaft Kapellen, Lower
Rhine Basin, Germany (Ellermann 1958, 1960, op. cit.); Shaft Rossenray, Lower Rhine Basin,
Germany (van den Bold 1963, op. cit.); Shaft Tonisberg, Lower Rhine Basin, Germany (Weiss
1983, op. cit.); Doberg near Biinde, Germany.
Explanation of Plate 12, 112
Fig. 1, 6 LV, int. lat. (GIK 932-1802, 738pm long); fig. 2, 6 LV, ext. lat. (GIK 932-1805, 750pm long). PI. 12, 110, fig. 2 and PI. 12, 1 12,
fig. 2 represent both valves of a single carapace.
Scale A (100pm; x 127), figs. 1,2.
Stereo-Atlas of Ostracod Shells 12, 113
Sarsicytheridea lienenklausi (7 of 8)
Distribution (contd.): Middle Oligocene: Winterswijk (boring), Netherlands (Kuiper 1918, op. cit.); Bilzen-
Katteberg and Kleine-Spouwen (borings), Belgium (Keij 1957, op. cit.).
Acknowledgement: Thanks are due to the Deutsche Forschungsgemeinschaft for providing the Cambridge Stereoscan
180.
E
£
.c
£
0.4
0.3-
CARAPACES f
-C
Ol
o
X
0.4
o o •
• •
■ 9
• • •
0.7
0,3-
0,8
RIGHT VALVES
&& A A
A a a °
** ♦ A A '
A *A I
X
0,4
0,3-
0,7
0.8
LEFT VALVES
A A
A o AO
o ■
0,7
TONISBERG
tt
ft t
ss
1 1
ss
ROSSENRAY
DOBERG
ODIJK
-4-
0,8 Length (mm)
Text-fig. 1. Size distribution of adult specimens of Sarsicytheridea lienenklausi (Kuiper).
Explanation of Plate 12, 114
Fig. 1 , $ RV, int. lat. (GIK 932-1809, 713 fim long); fig. 2, 6 RV, int. lat. (GIK 932-1801, 738|rm long). PI. 12, 112, fig. 2 and PI. 12, 1 14,
fig. 2 represent both valves of a single carapace.
Scale A (100/rm; x 127), figs. 1, 2.
Sarsicytheridea lienenklausi (8 of 8)
Stereo- Atlas of Ostracod Shells 12, 114
Stereo- Atlas of Ostracod Shells 12, 112
Sarsicytheridea lienenklausi (6 of 8)
Stereo-Atlas of Ostracod Shells 12 (21) 115-122 (1985) Sarsicytheridea kempfi (1 of 8)
595.337.14 (118.15) (430.1 : 161.006.51) : 551.351 + 552.51
ON SARSICYTHERIDEA KEMPFI WEISS sp. nov.
by Roseline H. Weiss
(Geological Institute, University of Cologne, Germany)
Sarsicytheridea kempfi sp. nov.
? 1958 Haplocytheridea curvata (Lienenklaus); F. Goerlich, Fortschr. Geol. Rheinld. Westf., 1, 216.
1963 Eucytheridea lienenklausi (Kuiper); van den Bold, Neues Jb. Geol. Palaont., Mh., 1963, 114, fig. Id, non figs. la-c.
1975 Eucytheridea curvata (Lienenklaus); M. Faupel, Gottinger Arb. Geol. Palaont., 17, 27, pi. 8, fig. 5, non figs. 7a, b.
1983 Sarsicytheridea cf. curvata (Lienenklaus); R. H. Weiss , Palaeontographica Abt. A, 182 (4-6), 106, pi. 25, figs. 2-4, 7, pi. 27,
figs. 1-8, pi. 28, figs. 1-6, text-fig. 16.
Holotype: Geologisches Institut, University of Cologne, Germany, GIK 932-1826; <5 car.
[Paratypes: Geologisches Institut, University of Cologne, Germany, GIK 932: 1814-1827]
Type locality: Shaft Tonisberg near Krefeld, Germany (German Nat. Grid. Ref.: R 34033, H 97555; long. 6°29'E,
lat. 51° 25'N); depth range 54.2-55.5 m; Upper Oligocene, Sphenolithus ciperoensis Zone (NP 25)
according to Benedek & Muller (Neues Jb. Geol. Palaont., Mh., 1974, 388); fine sand (grain size 0.2-
0.06 mm = 92.5%) with abundant molluscs and foraminifera according to Kempf (Niederrhein,
Krefeld, 35, fig. 2, 1968); shallow marine (5-20m water depth) according to Goerlich (Fortschr.
Geol. Rheinland. Westf., 1, 220, 1958).
Explanation of Plate 12, 116
Fig. 1, 9 car., ext. dors, (paratype, GIK 932-1827; 713/u.m long); fig. 2, <5 car., ext. vent, (holotype, GIK 932-1826; 750/i.m long).
Scale A (100 /am; x 128), figs. 1, 2.
Stereo-Atlas of Ostracod Shells 12, 117 Sarsicytheridea kempfi (3 of 8)
Derivation of name: In honour of Prof. Dr. Eugen K. Kempf, my University Professor.
Figured specimens: Geologisches Institut, University of Cologne (GIK), nos. 932-1816(9 RV: PI. 12, 120, fig. 1). 932-
1817 (9 LV: PI. 12, 122, fig. 1), 932-1818 (9 RV: PI. 12, 118, fig. 1), 932-1822 (6 RV: PI. 12, 120,
fig. 2), 932-1823 (<? LV: PI. 12, 122, fig. 2), 932-1824 (6 RV: PI. 12, 1 18, fig. 2), 932-1826 (6 car.:
Pk 12, 116, fig. 2), 932-1827 (9 car.: PI. 12, 116, fig. 1). All from the type locality.
Table. 1. Measurements on specimens: N = no. of specimens; x = mean; L = length; H = height; W = width;
A = valves; B = carapaces.
Explanation of Plate 12, 118
Fig. 1, 9 RV, ext. lat. (paratype, GIK 932-1818; 688/u.m long); fig. 2, S RV, ext. lat. (paratype, GIK 932-1824; 750/u.m long).
Scale A (100/am; x 128), figs. 1, 2.
Stereo- Atlas of Ostracod Shells 12, 116
Sarsicytheridea kempfi (2 of 8)
Stereo-Atlas of Ostracod Shells 12, 118
Sarsicytheridea kempfi (4 of 8)
Stereo-Atlas of Ostracod Shells 12, 119 Sarsicytheridea kempfi (5 of 8)
Diagnosis: In dorsal view carapace elongate ovate, anterior end with slightly projecting lip in each valve,
posterior end slightly indented at the line of junction of the valves; subtrapezoidal (male) or sub-
triangular (female) in lateral view, anterior end obliquely rounded, dorsal margin straight to slightly
convex. Posterior end narrowly rounded posteroventrally, ventral margin in left valve almost
straight, in right valve concave in posterior half. Left valve larger, overlapping the right valve almost
along the entire periphery, except parts of ventral margin (in front of the middle and at the posterior
end) where the right valve overlaps the left. Surface finely pitted. Anteriorly and posteroventrally
vestibules are present.
Remarks: Sexual dimorphism pronounced, the males being lower, more elongate and in dorsal view narrower.
The hinge of each valve is divided into three parts. The terminal parts are dentate plates with strong
bifid teeth (right valve) or loculate sockets (left valve); the median part of the left valve is a groove
provided with toothlets, complemented by a loculate bar in the right valve.
The central muscle scars consist of a somewhat oblique row of four adductor muscle scars,
a well-developed fulcral point and a frontal scar which is split into a larger posterior and a smaller
anterior part. The frontal scar occasionally shows a tendency to become T-shaped. There are also
two mandibular scars: the upper scar is more elongate and larger than the lower one.
Normal pores are numerous, scattered, and of the sieve-type. The setal perforation of the
sieve-plates is eccentric. The total number of perforations within each sieve-plate seems to be
considerably smaller than in modern species of Sarsicytheridea (see Rosenfeld, Meyniana, Kiel, 29,
pi. 4, figs. 53b, 57b, 1977). Other types of normal pore-canals were not observed (discussed in detail
by Weiss 1983, op. cit.).
Marginal pore-canals are moderately numerous at the anterior end (approx. 25). They reach
the shell surface distally of the flange in two parallel lines. A lip is developed around each opening of
the first row of marginal pore-canals. In the second row two types of marginal pore-canals are
present: simple ones and those with sieve-plates.
Explanation of Plate 12, 120
Fig. 1 , 9 RV, int. lat. (paratype, GIK 932-1816; 700 /urn long); fig. 2, 6 RV, int. lat. (paratype. GIK 932-1822; 725 pun long). PI. 12, 120,
fig. 1 and PI. 12, 122, fig. 1 represent both valves of a single carapace.
Scale A (lOO^m; x 127), figs. 1, 2.
Stereo- Atlas of Ostracod Shells 12, 121
Remarks (contd.):
Sarsicytheridea kempfi (7 of 8)
5. curvata from the Lienenklaus’ collection at Gottingen and specimens from type locality
(Wiepke) and type horizon (Upper Oligocene), as well as from Rossenray and Hollkopf were loaned
for comparison. S. kempfi differs from S. curvata (Lienenklaus, 1 900) (Z. dt. geol. Ges., 52, 528, pi.
21, fig. 2) in being smaller and showing a different distribution pattern of normal pore-canals.
Furthermore, differences are observable in dorsal and lateral outline.
Associated fauna includes Sarsicytheridea lienenklausi (Kuiper), Cytheridea muelleri
muelleri (v. Munster), C. muelleri toenisbergensis Weiss, C. pernota Oertli & Keij, Schizocythere
buendensis Triebel, Cytheretta jurinei v. Munster, C. semipunctata (Bornemann), C. (Flexus) plicata
v. Munster, Cuneocythere marginata (Bosquet), C. truncata Lienenklaus, Schuleridea (Aequa-
cytheridea) oculata Moos, etc.
CARAPACES If RIGHT VALVES |f LEFT VALVES
*
0.4
0.3
Text-fig. 1 . Size distribution of adult specimens
of Sarsicytheridea kempfi sp. nov.
0.4
0,3
0.4-
0,3
SS tonisberg
ROSSENRAY
■’"o' D0BERG
0.7
0,8
0.7
0,8
0.7
0,8 Length (mm)
Distribution:
Acknowledgement:
Upper Oligocene: Shaft Rossenray, Lower Rhine Basin, Germany (Goerlich 1958, van den Bold
1963, op. cit.); Hollkopf near Glimmerode, Kassel Basin, Germany (Faupel 1975, op. cit.); Shaft
Tonisberg, Lower Rhine Basin, Germany (Weiss 1983, op. cit.); Doberg, Germany.
Thanks are due to the Deutsche Forschungsgemeinschaft for providing the Cambridge Stereoscan
180.
Explanation of Plate 12, 122
Fig. 1, 9 LV, int. lat. (paratype, GIK 932-1817; 700 /urn long); fig. 2, 3 LV, int. lat. (paratype, GIK 932-1823; 725/xm long). PI. 12, 120,
fig. 2 and PI. 12, 122, fig. 2 represent both valves of a single carapace.
Scale A (100/zm; x 127), figs. 1, 2.
Stereo- Atlas of Ostraeod Shells 12, 120
Sarsicytheridea kempfi (6 of 8)
Stereo- Atlas of Ostraeod Shells 12, 122
Sarsicytheridea kempfi (8 of 8)
Stereo-Atlas of Ostracod Shells 12 (22) 123-126 (1985) Pokornyella mersondaviesi (1 of 4)
593.337.14 (118.13) (549 : 161.070.32-33 + 161.071.31 + 161.072.32-33 + 161.073.32) : 551.351 + 552.52 + 54
ON POKORNYELLA MERSONDAVIESI (LATHAM)
by John W. Neale
(University of Hull, England)
Pokornyella mersondaviesi (Latham, 1938)
1938 Cythereis mersondaviesi sp. nov. M. Latham, Trans. R. Soc. Edin., 58, 43, 44, figs. 7A-D.
Lectotype: British Museum (Nat. Hist.) coll. no. In. 37129 (left) car.
Latham designated as holotype a form figured as a right valve and registered as In. 37129.
Latham’s figure shows a left external view not a right valve although from the figure it is not possible
to say whether this is a left valve or merely the left side of a complete carapace. This raises particular
problems since the type slide contains only two carapaces. The one selected here as lectotype is the
one closest to Latham’s figure and may well be her actual specimen.
Type locality: “Ranikot Bed, India”. The paper is little more informative than the original label. The species is
recorded from four localities, namely the Salt Range, Punjab, and the Attock, Kohat and Waziristan
Districts, all of which are now in Pakistan.
Figured specimens: British Museum (Nat. Hist.) coll. no. In. 37129 (lectotype, car.: PI. 12, 124, figs. 1, 2; PI. 12, 126,
figs. 1, 2) from Ranikot Bed, India (now Pakistan). Palaeocene.
Remarks: The only single valve available for study was filled with matrix which obscured the internal features
and details of the marginal areas. Latham, herself, described the most striking feature of the
ornamentation as pits arranged in lines which appear to radiate from the centre of the valve. This is
reminiscent of some species of Hornibrookella, a genus well known in the early Tertiary rocks of
Pakistan (Siddiqui, Bull. Brit. Mus. (N.H.) Geol. Suppl., 9, 1971) and Saudi Arabia (Al-Furaih,
Explanation of Plate 12, 124
Figs. 1, 2, car. (lectotype. In. 37129, 890/xm long): fig. 1, ext. It. lat. ; fig. 2, ext. rt. lat.
Scale A (200yu.m; x 91), figs. 1, 2.
Stereo- Atlas of Ostracod Shells 12, 125 Pokornyella mersondaviesi (3 of 4)
Remarks (contd.): Palaeontology 20, 483 et seq., 1977). However, resemblences are superficial and the differences in
the postero-dorsal part of the shell, amongst other things, are too great to assign it to this group.
There is no doubt that Latham's species is an early member of the Aurilini Puri, 1973. It is not close
to A urila or Mutilus but in some ways is comparable with Radimella , although it differs in the nature
of the marginal row of pits developed anteriorly and in the nature of the prae-ocular and anterior
subdorsal areas (see Pokorny,Acta Univ. Carolinae Geol., 4, 359 et seq., 1968). Less elongate than
the Upper Cretaceous Parapokornyella Babinot, 1980 ( These Univ. Provence 1, 204) it differs also
in the symmetrical development of the postero-dorsal region in both valves and lacks the character-
istic oreillette of the left valve. It is closest to Pokornyella in which it is here accommodated and may
be regarded as an early representative of the genus. It agrees with the Oligocene type-species in most
respects (see Oertli, Schweiz. Pal. Abhandl. 74, 1956) except for details of ornamentation and the
greater accentuation of the ventral ridge, although comparable developments of the latter are seen in
other species oiPokornyella from the Upper Miocene of Italy figured by Ruggieri, Russo and Bossio
(Boll. Soc. Pal. Ital. 16, 129 et seq.) and the Palaeogene of France (Ducasse & Coustillas, Bull.
Inst. Geol. Bass. Aquitaine , 29, 5 et seq., 1981).
Surprisingly, P. mersondaviesi has not been recorded since Latham first described it in 1938,
even though extensive work has been carried out on the Tertiary of the Indian sub-continent since
then. She lists it at six localities/horizons in the Salt Range, four in the Attock District, two in the
Kohat District and three in Waziristan and reference should be made to her paper for further details.
She notes that approximately two-thirds of her collection consisted of ‘ ‘Bairdia subdeltoidea ’ ’ (most
of her specimens were placed in European species) and other associates ofP. mersondaviesi were
forms that we would now place in the genera Ac antho cythereis and Uroleberis together with others
as yet not determined but which she included under Bythocypris, Cy there, Cythereis and Cytheridea.
Acknowledgement: I am greatly indebted to the British Museum (Nat. Hist.) who kindly provided the S.E.M. photo-
graphs of Latham’s material which are figured here (the specimen was photographed uncoated in the
Environmental Chamber because it is one of only two specimens available).
Explanation of Plate 12, 126
Figs. 1, 2, car. (lectotype. In. 37129, 890yum long): fig. 1, ext. dors.; fig. 2, ext. vent.
Scale A (200^m; x 102), figs. 1, 2.
Pokornyella mersondaviesi (2 of 4)
Stereo- Atlas of Ostracod Shells 12, 124
Pokornyella mersondaviesi (4 of 4)
Stereo-Atlas of Ostracod Shells 12, 126
Stereo-Atlas of Ostracod Shells 12 (23) 127-134 (1985) Hemicypris dentatomarginata (1 of 8)
595.337.12 (119.9) (540 : 161.079.21) : 551.312
ON HEMICYPRIS DENTA TOMARGINA TA (BAIRD)
by Koen Martens & Karel Wouters
(Rijksuniversiteit Gent, Ghent & Koninklijk Belgisch Instituut voor Natuurwetenschappen, Brussels, Belgium)
Hemicypris dentatomarginata (Baird, 1859)
Cypris dentato-marginata sp. nov. W. Baird, Proc. zool. Soc. Lond., 27, 233, 234, pi. 63, figs. 5, 5a-c.
Cyprinotus dentatomarginatus (Baird); G. O.Sars, Forh. Vidensk. Selsk. Krist., 1889, 6-24, pi. 1 , figs. 1-4, pi. 3, figs. 1-11, pi.
4, figs. 1-14.
Cyprinotus dentatomarginatus (Baird); E. Daday, Termeszetr . Fiiz ., 21, 69.
Cyprinotus dentatomarginatus (Baird); G. S. Brady, Trans, zool. Soc. Lond., 16, 196, pi. 23, figs. 6, 7.
Cyprinotus marginato-dentatus (Baird); G. W. Muller, Das Tierreich, 31, Ostracoda, 168, Berlin.
Cyprinotus dentato-marginatus (Baird); M. Henry, J. R. Soc. N.S.W., 53, 43.
Cyprinotus dentatomarginatus (Baird); R. Gurney, J. Bombay nat. Hist. Soc., 27, 843.
Cyprinotus dentato-marginata (Baird); M. Henry, Proc. Linn. Soc. N.S.W., 48, 278.
Heterocypris dentatomarginata sp. nov., R. Kiss.; Revue Zool. Bot. afr., 59, 83-87, figs. 1-15.
Heterocypris dentato-marginata (Sars); H. Loffler, Int. Revue ges. HydrobioL, 46 (3), 378.
Hemicypris dentatomarginata (Baird); K. G. McKenzie (Ed.), Checklist of Ostracoda recorded from the Indian subcontinent
and Ceylon (1840-1971) , 29.
Heterocypris dentatomarginatus (Baird); J. W. Neale, in : H. Loffler & D. L. Danielopol (Eds.); Aspects of Ecology and zoo-
geography of Recent and Fossil Ostracoda, 273, 277, pi. 1, fig. 2, fig. 8.
Cyprinotus dentato-marginatus (Baird); P. De Deckker & P. J. Jones. Dept. Nat. Developm., B.M.R. Geol. Geophys. 195, 88.
Heterocypris dentatomarginatus (Baird); R. Victor & C. H. Fernando, Rec. zool. Surv. India, 74 (2), 182, 183, fig. 136.
Explanation of Plate 12, 128
Figs. 1-3, $ paralectotypes: fig. 1, car., dors. (1945.9.26. 135b, 945 pm long); fig. 2. LV. vent. (1945.9.26. 130, 840pm long); fig. 3, car.
vent. (1945.9.26.135c, 998pm long).
Scale A (300pm; x 56), figs. 1-3.
Stereo- Atlas of Ostracod Shells 12, 129 Hemicypris dentatomarginata (3 of 8)
Lectotype:
Type locality:
Figured specimens:
Diagnosis:
Remarks:
Here designated. British Museum (Nat. Hist.), no. 1945.9.26.126, 9 LV (840pm long) and
fragments of RV stored dry; soft parts mounted in Glycerine.
[Paralectotypes: British Museum (Nat. Hist.) nos. 1945.9.26.127 - 1945.9.26.135 &
1945.9.26.135a - 1945.9.26.135c all ?$].
Pools at Nagpur, India; approx, lat. 21° 10'N, long. 79° 12'E; coll, by Rev. S. Hislop.
British Museum (Nat. Hist.) nos. 1945.9.26.126 (lectotype, 9 appendages: Text-figs. 1 A-E, 2A-I),
1945.9.26.128 (paralectotype, 9 RV: PI. 12, 130, fig. 3), 1945.9.26.129 (paralectotype, 9 LV: PI.
12, 130, fig. 1), 1945.9.26.130 (paralectotype, 9 LV: PI. 12, 128, fig. 2), 1945.9.26.134 (paralecto-
type, 9 car.: PI. 12, 130, fig. 2), 1945.9.26.135b (paralectotype, 9 car.: PI. 12, 128, fig. 1), 1945.9.26.
135c (paralectotype, 9 car.: PI. 12, 128, fig. 3). All from Baird’s syntypic material.
Carapace in dorsal view pointed towards the anterior tip, greatest width situated between 1/2 and
3/4 of the length. Left valve with dorsal side arched, anterior and posterior sides unequally rounded;
right valve with dorsal side arched and equally sloping towards frontal and caudal edges.
Natatory setae on antenna reaching beyond tips of claws by about 5% of their length; claws on
third endite of maxillula smooth; mandibular palp with alpha-seta smooth and slim, beta-seta
slender and set with few setulae, gamma-setae stout (length about 3 times basal width) and densely
set with long setulae; posterior furcal seta about as long as posterior furcal claw.
Since this species was described, it has been reported by various authors from different parts of the
world. Unfortunately, most, if not all, of these identifications have proved erroneous. We have
checked most of the above mentioned records, either from illustrations given or directly on the
material itself, and found that probably six different species in two different genera have been
reported as Cyprinotus dentatomarginatus s.l.
Explanation of Plate 12, 130
Figs. 1-3,9 paralectotypes: fig. 1, LV, int. lat. (1945.9.26.129, 875 pm long); fig. 2, car. front (1945.9.26. 134, 858 /urn long); fig. 3, RV,
int. lat. (1945.9.26.128, 945pm long).
Scale A (300pm; x 56), figs. 1-3.
Stereo-Atlas of Ostracod Shells 12, 128
Hemicypris deniatomarginata (2 of 8)
Stereo-Atlas of Ostracod Shells 12, 130
Hemicypris dentatomarginata (4 of 8)
Stereo- Atlas of Ostracod Shells 12, 131 Hemicypris dentatomarginata (5 of 8)
Remarks (contd.): The first species is the one originally described by Baird (1859) as Cypris dentato-marginata
s.s. (not C. marginato-dentata var., see Martens & Wouters, Stereo-Atlas of Ostracod Shells 12, 135-
140, 1985) and redescribed in the present paper. It was listed as a doubtful species by Muller (1 912,
op. cit.) under the name of Cyprinotus marginato-dentatus (Baird) and was again mentioned by
McKenzie (1972, op. cit.) and Victor & Fernando (1979, op. cit.). None of the latter three citations,
however, refer to new localities for this species. Gurney (1921, op. cit.) reported the species from
Iraq. No description of these specimens was given and his material was not available to us. This
record is most doubtful, but we are at present unable to refer it to another taxon.
Cyprinotus dentatomarginatus reported by Daday (1898, op. cit.) from Ceylon is actually
Hemicypris pyxidata (Moniez, 1892) (one female specimen in alcohol in the Hungarian National
Museum, Budapest) and the record of Brady (1902, op. cit.) actually concerns Heterocypris
incongruens (large number of females in alcohol in the Zoological Museum of Copenhagen,
Danmark; see also Martens, K. Mus. mid. Afr., Zool. Dok. 20, 22, 1984).
Heterocypris dentatomarginata Kiss, 1959 was renamed Hemicypris kissi by Martens (1984,
op. cit.) as this African species clearly belongs in Hemicypris but differs from//. dentatomarginata
s.s. (type material in Koninklijk Museum voor Midden-Afrika, Tervuren, Belgium).
Sars (1889, op. cit.) described specimens from Australia as Cyprinotus dentatomarginatus
Baird. Muller (1912, op. cit.) listed this species as C. dentatomarginatus Sars and clearly distinguished
it from Baird’s species. Skogsberg (Sven. Vetensk. Akad. Handl. 52 (15), 9-22, figs. 1-31, 1917)
gave an extensive redescription of this species, based on new material, and tentatively renamed it
Cypris (Cyprinotus) gregarius. Loffler (1961, op. cit.), probably unaware of this, still used the name
Heterocypris dentatomarginata (Sars) for this species and he referred Gurney’s (1921) record to that
taxon. Henry (1919, 1923, op. cit ), probably relying on Sars’ (1889) description, reported the
species from 2 localities in New South Wales, while De Deckker & Jones (1978, op. cit.) listed this
species in their checklist. We propose to name the species dealt with by Sars (1889), Skogsberg
(1917), Henry (1919, 1923), Loffler (1961) and De Deckker & Jones (1978 ) Heterocypris gregaria
(Skogsberg). It is not impossible that this species is synonymous with//, incongruens , but to confirm
this is beyond the scope of this paper.
Stereo-Atlas of Ostracod Shells 12, 132 Hemicypris dentatomarginata (7 of 8)
Remarks (contd.): Finally, Neale (1977; Monograph. Biol. 57, 179, figs. 21, 26, 1984) recorded a species in Sri
Lanka (the former Ceylon) which he named Heterocypris dentatomarginata. The species is in all
probability new to science and therefore needs to be renamed. To facilitate comparisons, our
illustrations of//, dentatomarginata have been printed to the same scale as those of H. bairdi in
Martens & Wouters, 1985 (op. cit.).
Distribution: We can conclude that the only certain record of Hemicypris dentatomarginata s.s. is the type record.
Whether the species still occurs in the surroundings of Nagpur is not known.
Acknowledgement: Dr. G. A. Boxshall (British Museum (Nat. Hist.)) is gratefully acknowledged for his continuous help in
providing access to the type material and the type description. One of us (K.M.) is Research
Assistant with the Belgian National Fund for Scientific Research.
Stereo- Atlas of Ostracod Shells 12, 133 Hemicypris dentatomarginata (6 of 8)
Text-fig. 1. 9 lectotype of H. dentatomarginata (no. 1945.9.26.126): A, protopodite of antennula; B, endopodite of antennula (twisted
180° relative to position of protopodite); C. antenna; D, detail of two terminal segments of antenna, showing chaetotaxy (z-setae omitted);
E, mandibular palp (respiratory plate omitted). Scales: 1 = 100/u.m for A-C; 2 = 50/um for D, E.
Text-fig. 2. 9 lectotype of H. dentatomarginata (no. 1945.9.26.126): A, mandibular palp, showing alpha, beta and gamma-setae; B.
maxillula; C, detail of terminal segments of second thoracopod; D, second thoracopod; E, detail of distal part of basal podomere of
mandibula; F, rake-like organ; G, furcal attachment; H, first thoracopod; I, furca. Scale: 1 = 100/am for D, G-I; 2 = 50/um for A-C, E, F.
Stereo-Atlas of Ostracod Shells 12 (24) 135-140 (1985) Hemicypris bairdi (1 of 6)
595.337.12 (119.9) (540 : 161.079.21) : 551.312
ON HEMICYPRIS BAIRDI MARTENS & WOUTERS sp. nov.
by Koen Martens & Karel Wouters
(Rijksuniversiteit Gent, Ghent & Koninklijk Belgisch Instituut voor Natuurwetenschappen, Brussels, Belgium)
Hemicypris bairdi sp. nov.
1859 Cyprinotus marginato-dentata var. W. Baird, Proc. zool. Soc. Load., 27, pi. 63, figs. 5d-f.
British Museum (Nat. Hist.) no. 1985.1, partly dissected 9. Valves opened and valves and append-
ages stored dry in a slide (originally called “syntype Hemicypris dentatomarginata (Baird), det.
K. G. McKenzie”).
[Paratypes: dissected 9 Brit. Mus. (Nat. Hist.) nos. 1985.2 - 1985.10 + c. 20 specimens in
the original boxes].
Pools at Nagpur, India; approx, lat. 21° 10'N, long. 79° 12'E; coll, by Rev. S. Hislop.
British Museum (Nat. Hist.) nos. 1985.2 (9 appendages; Text-fig. 1A, F, 2C), 1985.3 (9 append-
ages; Text-figs. 1B-E, 2A, B, D-G), 1985.7 (9 RV; PI. 12, 138, fig. 3), 1985.8 ( 9 car.; PI. 12. 138,
fig. 2), 1985.9 (9 car.; PI. 12, 136, fig. 3) (all paratypes). The specimens illustrated in PI. 12, 136,
figs. 1, 2, PI. 12, 138, fig. 1, were lost during transport after SEM-photographs were taken. All were
taken from the Baird collection (see Remarks).
Valves anteriorly and posteriorly subequally rounded, both dorsal and ventral margins straight,
greatest width of the carapace in dorsal view situated close to the middle.
Natatory setae on the antenna reaching with 2/5 of their length beyond tips of the claws; claws on
third endite of maxillula smooth; mandibular palp with alpha-seta smooth and slim, beta-seta
slender and set with few setulae and gamma-seta very stout (about as wide as long) and densely set
with long setulae; posterior seta on furca longer than posterior claw.
Explanation of Plate 12, 136
Fig. 1 , car. dors. ( 9, specimen lost; 1014/am long); fig. 2, LV, vent. ( 9, specimen lost; 980/am long); fig. 3, car. vent. ( 9, paratype, 1985.9;
1033/am long).
Scale A (300;am; x 56), figs. 1-3.
Stereo- Atlas of Ostracod Shells 12, 137 Hemicypris bairdi (3 of 6)
Remarks: Skogsberg (Sven. Vetensk. Akad. Handl., 52 (15), 9-22, figs. 1-31, 1917) was the first to mention
that Baird's Cyprinotus marginato-dentata var. (illustrated in figs. 5d-f of Baird op cit., 1859, but
never mentioned in the text) actually constitutes a species quite different from the nominate one.
The type-material of Cypris dentato-marginatus Baird (British Museum (Nat. Hist.)) consists of 3
boxes, the first box containing 12 valves of Hemicypris dentatomarginata s.s. (see Martens &
Wouters, Stereo-Atlas of Ostracod Shells 12, 127-134, 1985), the other two boxes containing almost
exclusively material of the second species, here described as Hemicypris bairdi sp. nov. Upon
comparing material of both species (dried appendages were soaked in a polyphosphate detergent),
it appears that H. bairdi differs from H. dentatomarginata in the following features: the latter species
is somewhat smaller than the former, has an arched dorsal margin (nearly straight in H. bairdi ), its
greatest width is situated at about 3/4 of its length (close to the centre in H. bairdi), while the
morphology of the alpha, beta and mainly the width-length ratio of the gamma-setae on the
mandibular palp also differ to some extent. Other apparent differences concern the number of claws
and setae on the mandibular palp and on the antennae, but hairs can easily have been broken in
either of the investigated specimens as the appendages have been dry for 125 years.
H. bairdi sp. nov. has been compared to the following known Indian Hemicypris species:
H. anomala (Klie, 1938);//. derweshensis Battish, 1981;//. dissonus Victor & Fernando, 1976;//.
falcata Victor & Fernando, 1976;//. malerkotlaensis Battish, 1981;//. megalops Sars, 1903;//.
ovata Sars, 1903;//. pailensis Battish, 1981 and H. pyxidata (Moniez, 1892). The new species
differs from these and other species in the genus mainly by the shape of the valves and by the
morphology of the gamma-seta on the mandibular palp.
Distribution: So far known only from the type locality.
Acknowledgment: Dr. G. A. Boxshall (British Museum (Nat. Hist.)) is gratefully acknowledged for his continuous help
in providing access to the original Baird material. One of us (K.M.) is Research Assistant with the
Belgian National Fund for Scientific Research.
Explanation of Plate 12, 138
Fig. 1, LV, int. lat. (9, specimen lost; 980/am long); fig. 2, car., left lat. (9, paratype, 1985.8; 1014/am long); fig. 3. RV. int. lat. (9.
paratype, 1985.7; 997/u.m long).
Scale A (300/am; x 56), figs. 1-3.
Holotype:
Type locality:
Figured specimens:
Diagnosis:
Stereo- Atlas of Ostracod Shells 12, 136
Hemicypris bairdi (2 of 6)
Stereo- Atlas of Ostracod Shells 12, 138
Hemicypris bairdi (4 of 6)
Stereo- Atlas of Ostracod Shells 12, 139 Hemicypris bairdi (5 of 6)
Text-fig. 1. $ appendages of H. bairdi. Paratype, 1985.2; A, antennula; F, maxilla. Paratype, 1985.3; B, antenna; C, maxillula; D,
mandibula; E, rake-like organ. Scales: 1 = lOO^m for A, B, E, F; 2 = 50pm for C, D.
Stereo- Atlas of Ostracod Shells 12, 140 Hemicypris bairdi (6 of 6)
detail of distal part of second thoracopod; B, mandibular palp; D, first thoracopod; E, detail of distal part of first thoracopod; F, second
thoracopod; G, furca and furcal attachment. Scales: 1 = 100/^m for D, F, G; 2 = 50/xm for A, B, C, E.
Stereo-Atlas of Ostracod Shells 12 (25) 141-148 (1985) Gambiella caelata (1 of 8)
595.337.14 (119.9) (665.1 : 162.017.13) : 551.351
ON GAMBIELLA CAELATA WITTE gen. et sp. nov.
by Leendert Witte
(University of Amsterdam, The Netherlands)
Genus GAMBIELLA gen. nov.
Type-species: Gambiella caelata sp. nov.
Derivation of name: From The Gambia, the country from where the type-species is reported.
Diagnosis: Carapace elongate, length about 2.5 times height. Anterior margin broadly rounded, posterior
margin with a bluntly pointed, laterally compressed caudal process. The depressed area of this
process extends forward along the ventral margin of the shell to approximately mid-length. Valves
almost equal in size. In dorsal view the compressed caudal process is distinctive. Hinge gongylodont,
left valve with strong, smooth hinge bar. A subvertical row of four undivided adductor muscle scars is
present. Frontal scar bipartite, consisting of a large oval scar with a small round one close in front of it.
Remarks: The hinge is very similar to those of Heinia Bold, 1985 and Nipponocy there Ishizaki, 1971, but the
frontal muscle scar is different. In both those genera the caudal process, characteristic of Gambiella,
is absent or of different shape. Heinia and Nipponocy there exhibit strong sexual dimorphism in the
outline of their shell; this is not observed in the new genus.
Explanation of Plate 12, 142
Fig. 1, RV, ext. lat. (paratype, K 6558, 415/Am long); fig. 2, LV, ext. lat. (paratype, K 6557, 415/Am long).
Scale A (100/Am; x 185), figs. 1, 2.
Stereo-Atlas of Ostracod Shells 12, 143 Gambiella caelata (3 of 8)
Gambiella caelata sp. nov.
Holotype:
Type locality:
Derivation of name:
Figured specimens:
Diagnosis:
University of Amsterdam (Geol. Inst.) coll. no. K 6553, LV.
[Paratypes: nos. K 6549-6552 and K 6554-6559].
Cape St. Mary, Republic of the Gambia (lat. 13° 28'N, long. 16°47'W); Recent, marine, open beach
environment; fine, glauconite-rich quartz sand.
Latin caelatus, engraved, decorated; referring to the fine ornamentation.
University of Amsterdam (Geol. Inst.) coll. nos. K 6549 (car.: PI. 12, 148, fig. 1), K 6550 (car.: PI.
12, 148, fig. 2), K 6553 (holotype, LV: PI. 12, 144, fig. 1 ; PI. 12, 146, fig. 3), K 6554 (RV: PI. 12,
144, figs. 2, 3), K 6556 (LV: PI. 12, 146, fig. 2), K 6557 (LV: PI. 12, 142, fig. 2; PI. 12, 146, fig. 1),
K 6558 (RV: PI. 12, 142, fig. 1). All from the type locality.
A densely ornamented species of Gambiella with longitudinally arranged oblong fossae. Ingrowing
papillae edging fossae, marginal fossae with papillate sola. Caudal process finely papillate, except
outer margin. Eye spot and subcentral tubercle broad and unornamented. Sexual dimorphism not
apparent in outline of the shell (see Remarks).
Explanation of Plate 12, 144
Fig. 1, LV, dors, (holotype, K 6553, 420/xm long); fig. 2, 3, RV, (paratype, K 6554, 420/aiti long); fig. 2, dors.; fig. 3, int. lat.
Scale A (100 /Am; x 205), figs. 1, 2; scale B (100 /Am; x 185), fig. 3.
Gambiella caelata (2 of 8)
Stereo- Atlas of Ostracod Shells 12, 142
Stereo-Atlas of Ostracod Shells 12, 144
Gambiella caelata (4 of 8)
Stereo-Atlas of Ostracod Shells 12, 145 Gambiella caelata (5 of 8)
Remarks: A number of forms belonging to Gambiella have been reported from the Pacific area. Brady {Trans.
R. Soc. Edinb., 35 (2), 499, pi. 2, figs. 10, 1 1, 1890) described Cythere caudata from Savusavu Bay,
Fiji. It differs from the new species mainly in having a more rounded posterior margin. Cythere ?
caudata Brady of Key ( Proc . K. ned. Akad. Wet., ser. B, 57 (3), 362, pi. 3, figs, la, lb, 1954) from
Manila Bay and “Cythere” caudata Brady of Holden (Pacif. Sci., 21 (1), 45, figs. 36a-f, 1 967) from
the Neogene and Recent of Hawaii are similar in outline to Gambiella caelata but differ in the shape
of the fossae. Allison & Holden {Trans. S. Diego Soc. nat. Hist., 16 (7), 207, figs. 30a, 30b, 1971)
reported “Cythere” sp. cf. “C” caudata Brady from Clipperton Island; this form is distinguished by
its larger size and the presence of horizontal riblets. Campylocythereis (Acuticythereis) sp. B of
Swain & Gilby (Micropalaeontology , 20 (3), 320, pi. 4, figs. 18, 19, 1974), from Holocene sediments
off Nicaragua, is similar to Gambiella caelata in most respects, but has a faintly punctate ornamen-
tation. “Cythere” sp. aff. “C” caudata Brady of Holden (f/.5. Geol. Survey Prof. Paper , 680-F, 36,
pi. 16, figs. 8, 9, 1976), from the lower Miocene of Midway, is smooth and has a slightly different
outline. All reports listed above relate to only very few specimens. At the present time it is not
possible to determine the taxonomic status of these forms.
On the basis of the shape of the inner lamella two morphs can be distinguished in Gambiella
caelata. The posterior part of the inner lamella, which is smoothly sinuous in one morph (see PI. 12,
144, fig. 3; PI. 12, 146, fig. 3), shows a noticeable protrusion in the other (PI. 12, 146, fig. 2, arrowed).
This feature is present in 1 0 out of the 1 4 loose valves of the type sample and occurs on both valves of
the carapace. As no appendages were found, the nature of this dimorphism, which may be sexual,
could not be determined.
Explanation of Plate 12, 146
Fig. 1, LV, int. lat., muscle scars (paratype, K 6557); fig. 2, LV, int. lat., (paratype, K 6556, 405 yum long); fig. 3, LV, int. lat. (holotype,
K 6553, 420/um long).
Scale A (10/u.m; x 1050), fig. 1; scale B (100^m; x 215), fig. 2; scale C (lOO^im; x 185), fig. 3.
Stereo-Atlas of Ostracod Shells 12, 147
Gambiella caelata (7 of 8)
Distribution:
Acknowl edgem en t:
Gambiella caelata is only known from its type locality.
The ‘Workgroep Electronenmicroscopie’ of the University of Amsterdam is acknowledged for the
use of their Cambridge Mk. II stereoscan.
Explanation of Plate 12, 148
Fig. 1, car., vent, (paratype, K 6549, 435^m long); fig. 2, car., dors, (paratype, K 6550, 440/rm long).
Scale A (lOO/rm; x215), figs. 1, 2.
Gambiella caelata (6 of 8)
Gambiella caelata (8 of 8)
Stereo-Atlas of Ostracod Shells 12, 146
Stereo-Atlas of Ostracod Shells 12, 148
Stereo-Atlas of Ostracod Shells 12 (26) 149-156 (1985)
595.336.13 (113.313) (415 : 162.007.53 + 430.1 : 161.008.54
Gotula gotlandica (1 of 8)
485 : 161.018.57) : 551.35
ON GOTULA GOTLANDICA (SCHALLREUTER)
by R. E. L. Schallreuter & R. J. Orr
(University of Hamburg, West Germany & Queen’s University of Belfast, Northern Ireland)
Derivation of name:
Diagnosis:
Remarks:
Distribution:
Genus GOTULA gen. nov.
Type-species: Gellensia gotlandica Schallreuter, 1967
An abbreviated combination of the type-species name and ‘botulus’ (i.e. the dolon is non-loculate).
Sulcus a tear drop shaped sulcal depression. Preadductorial node a strong bulb. Velar frill restricted,
terminates posteroventrally with a large, hollow spine. Velum diverges from free margin posteriorly.
Dolon forms a discrete, strongly convex, sausage-shaped, false brood pouch.
Gotula belongs within the subfamily Ampletochilininae Schallreuter, 1975. The genus is character-
ized by the distinct preadductorial node and the shortened velar frill which is clearly oblique to the
free margin in ventral view. A distinct preadductorial node is also present in Gellensia Schallreuter,
1967, Moeckowia Schallreuter, 1964 and Cystomatochilina Jaanusson, 1957. In these three genera
the velar frill is subparallel to the free margin. In Gellensia (see G. nodoreticulata Schallreuter,
Stereo-Atlas Ostracod Shells 9, 105-108, 1982) the dolon is less convex and is located ventrally
rather than anteroventrally.
Cystomatochilina and Moeckowia were derived from Platybolbina in the middle Ordovician
(R. E. L. Schallreuter, Palaeontographica (A) 149, 153, 154, 1975). The genus Gotula has possibly
been derived from Platybolbina (Abruptobolbina) Schallreuter ( Geologie , 18, 877, 1969) in the
upper Ordovician, as shown by the young instar (PI. 12, 156, fig. 3) which clearly resembles
Platybolbina in many respects (muscle spot, flat preadductorial node, reticulation, corner areas free
of reticulation).
Gotula is known from the Ordovician Ashgill Series of Baltoscandia and Ireland.
Explanation of Plate 12, 150
Figs. 1, 3, posterodorsally and ventrally incomplete 9 RV (K 10020, 1.29mm long): fig. 1, ext. lat. ; fig. 3, ext. vent. Fig. 2, post, half of 9
RV, vent. obi. (K 10021, 1.09mm long). Scale A (250^m; x 55), figs. 1, 3; scale B (250/xm; x 70), fig. 2.
1967
1975
1982
Type locality:
Figured specimens:
Stereo-Atlas of Ostracod Shells 12, 151 Gotula gotlandica (3 of 8)
Gotula gotlandica (Schallreuter, 1967)
Gellensia gotlandica sp.n.; R. E. L. Schallreuter, Geologie , 16 (5), 618, 619, fig. 2.
Gellensia gotlandica Schallreuter; R. E. L. Schallreuter, Palaeontographica (A), 149 (4/6), 156, 157.
Gellensia gotlandica Schallreuter; R. E. L. Schallreuter, Stereo-Atlas Ostracod Shells, 9, 107.
Holotype: Sektion Geologische Wissenschaften, University of Greifswald, German Democratic Republic; no.
25/2, larval LV.
North beach of Visby, Isle of Gotland, Baltic Sea; lat. 57° 40'N, long. 18° 18.5'E; Ojlemyrflint
erratic boulder, no. G2; upper Ordovician.
Ulster Museum, Belfast, nos. K 10020 ( 9 RV: PI. 12, 150, figs. 1,3),K 10021 (9 RV: PI. 12, 150,
fig. 2; PI. 12, 152, fig. 1), K 10022 (9 RV: PI. 12, 152, fig. 2) and K 10023 (tecnomorphic RV: PI. 12,
1 52, figs. 3, 4). Specimens K 10020, K 10021, K 10023 from Bed 7, locality CN; K 10022from Bed 9,
locality F. All from the Lower Limestones Member, Portrane Limestone, near Dublin, Ireland;
approx, lat. 53° 29'N, long. 6° 06'W. For locality details see R. J. Orr, Stereo-Atlas Ostracod Shells,
12, 61, and text-fig. 1.
Geologisch-Palaontologisches Institut und Museum, University of Hamburg (GPIMH), nos.
3258 (tecnomorphic LV: PI. 12, 154, figs. 1-3), 3259 (juv. RV: PI. 12, 154, fig. 4; PI. 12, 156, fig. 3),
3260 (tecnomorphic LV: PI. 12, 156, fig. 1) and 3261 (tecnomorphic RV: PI. 12, 156, fig. 2). Nos.
3258, 3260, 3261 are from the upper Harjuan (upper Ordovician) Ojlemyrflint erratic boulder no.
G287 from the beach at Vale, NW Gotland, Baltic Sea; approx. 57° 48'N, 18° 26'E; coll, by
Schallreuter, 1976. No. 3259 is from the Ojlemyrflint erratic boulder no. Syl04 of the Upper
Kaolinsand (Lower Pleistocene) near Braderup, Isle of Sylt, N Frisian Is., N Sea; approx. 54° 56'N,
8° 21 'E; coll, by Ulrich von Hacht, 1980.
Length of adults up to 1.42mm. Sausage-shaped anteroventral dolon; posterior and anterior
of dolon velar frill straight and normal, as in tecnomorphs; posteriorly velum as a small bulge with a
row of short spines. Marginal sculpture in right valve is a ridge; left valve with a ridge and a row of
marginal spines posteroventrally. Surface spinose; some specimens show relict stellate reticulation.
Diagnosis:
Explanation of Plate 12, 152
Fig. 1 , post, half of 9 RV, int. obi. (K 10021): fig. 2, 9 RV with anterodorsally incomplete velum, ext. lat. (K 10022, 1.15 mm long); figs.
3, 4, tecnomorphic RV (K 10023, 1.21 mm long); fig. 3, int. obi.; fig. 4, int. vent.
Scale A (250/u.m; x70), fig. 1; scale B (250/um; x 60), figs. 2-4.
Stereo-Atlas of Ostracod Shells 12, 150 Gotula gotlandica (2 of 8)
Stereo-Atlas of Ostracod Shells 12, 152 Gotula gotlandica (4 of 8)
Stereo-Atlas of Ostracod Shells 12, 153 Gotula gotlandica (5 of 8)
Remarks: The Ojlemyrflint material is preserved as CaF2 pseudomorphs. They were gained by treatment with
HF (Wetzel’s method; see R. E. L. Schallreuter, in: R. H. Bate et al. (Eds.), Fossil and Recent
Ostracods, 171, 1982, Ellis Horwood, Chichester) from cherts in which the calcareous microfossils
are still preserved as calcareous (Gotland material) or secondarily silicified valves (Sylt material).
The material from Portrane is coarsely silicified and, therefore, the fine details of the ornament and
the contact margin (for example the left valve marginal spines) are obscured. Furthermore, due to
this secondary increase in shell thickness the lobal features are exaggerated; thus, the sulcus appears
to be deeper and almost fissum-like in character and the velum seems to comprise a double-walled
outfold of the shell wall with a corresponding internal fissure. By contrast, in better Portrane
specimens and in good Ojlemyrflint specimens the velum can be seen to comprise a row of
contiguous hollow tubules.
In some specimens a vestigial reticulation can be observed. This is more clearly seen in the
Ojlemyrflint material (PI. 12, 156, fig. 2), but can also be seen in the Portrane material (PI. 12, 152,
fig. 2). The stellate pattern recalls that present in Moeckowia moeckowbergensis Schallreuter, 1964
(R. E. L. Schallreuter, Palaeontographica (A) 180, pi. 13, fig. 3, 1983). A vestigial stellate reticu-
lation was also noted in Platybolbina ( Rimabolbina ) rima Schallreuter, 1964 (R. E. L. Schallreuter,
op.cit ., 149, pi. 11, fig. 1, 1975) but this species, like M. moeckowbergensis, has a fissum rather than
a shallower sulcal depression. The main part of the fissum of M. moeckowbergensis lies within the
shell, which is reticulate in the other parts of the lateral surface (shell reticulation: see R. E. L.
Schallreuter & C. R. Jones, Neus. Jb. Geol. Palaont. Mh., 422, 1984). The same conditions seem to
occur in Gotula gotlandica , in which the fissum is formed by surrounding spines (PI. 12, 154, fig. 1)
and in which the top of the stellate spines (which are mostly broken away) represent the equivalent
of the cross-points of the reticulation of M. moeckowbergensis .
Explanation of Plate 12, 154
Figs. 1-3, tecnomorphic LV (GPIMH 3258, 1.34mm long): fig. 1, ext. lat. ; fig. 2, ext. vent.; fig. 3, ext. vent., detail of post, adventral
sculptures; fig. 4, juv. RV, ext. lat., detail of ornament and broken velar frill (GPIMH 3259).
Scale A (250/um; x55), figs. 1, 2; scale B (100/am; x 100), fig. 3; scale C (50jum; x250), fig. 4.
Stereo-Atlas of Ostracod Shells 12, 155 Gotula gotlandica (7 of 8)
Distribution: Portrane, near Dublin, Ireland: limestone boulder in mud flow in upper part of Calcareous tuffs and
lahars, and from the Portrane Limestone (Lower Limestones Member, Main Limestones Member,
Upper Limestones Member); Pusgillian ? to Lower Rawtheyan, Ashgill Series.
Also present in the Ojlemyrflint erratic boulders of the Isle of Gotland, Baltic Sea, and of the
Kaolinsand (lower Pleistocene) of the Isle of Sylt, N Sea; Pirgu- (Fjc) or Porkuni-Stage (F2), upper
Harjuan (Ashgill Series).
Text-fig. 1. 9 RV of Gotula gotlandica: ext. lat. and int. lat. of specimen K 10021 (1420jum long). Specimen broken after study.
Explanation of Plate 12, 156
Fig. 1, tecnomorphic LV, ext. lat. (GPIMH 3260, 1.12 mm long excluding spines); fig. 2, partly incomplete tecnomorphic RV, ext. lat.
(GPIMH 3261, 1.24mm long excluding spines); fig. 3, juv. RV, ext. lat. (GPIMH 3259, 0.63mm long; velum incomplete).
Scale A (250/um; x 70), fig. 1; scale B (250/u.m; x 62), fig. 2; scale C (100/um; x 85), fig. 3.
Gotula gotlandica (8 of 8)
Stereo- Atlas of Ostracod Shells 12, 154
Gotula gotlandica (6 of 8)
Stereo-Atlas of Ostracod Shells 12, 156
Stereo-Atlas of Ostracod Shells 12 (27) 157 (1985) Loxoconcha malcomsoni (1 of 1)
595.337.14 (119.9 + 119.1) (261.27 : 162.006.54 + 420.162 : 001.50) : 551.35
ON LOXOCONCHA MALCOMSONI HORNE & ROBINSON nom. nov.
by David J. Horne & Eric Robinson
(City of London Polytechnic & University College London, England)
Loxoconcha malcomsoni nom. nov.
1886 Lopoconcha cuneiformis (sic) n.sp. Brady MS; S. M. Malcomson, Rep. Proc. Belf. Nat. Fid Club, appendix 1884-1885, 261,
pi. 25, figs. 1, 2.
non 1885 Loxoconcha cuneiformis sp. nov. Terquem, Mem. Soc. geol. Fr. (ser. 3), 4, 35, pi. 5, figs. 15a-b.
1982 Loxoconcha cuneiformis Malcolmson (sic): D. J. Horne and E. Robinson, Stereo-Atlas of Ostracod Shells, 9, 21-26.
Remarks: We are grateful to Dr. E. Kempf (University of Cologne) for pointing out to us that Loxoconcha
cuneiformis Malcomson (see Horne & Robinson, op. cit.) is preoccupied by a species described by
Terquem (op. cit.), and for drawing our attention to the correct spelling of Malcomson. We therefore
propose the new name Loxoconcha malcomsoni for Malcomson’s species.
Stereo-Atlas of Ostracod Shells 12 (28) 158 (1985) Palmoconcha laevata (1 of 1)
595.337.14 (118.22 + 119 + 119.9) (261.26 : 161.001.55 + 261.28 + 420) : 551.351
ON PALMOCONCHA LAEVATA (NORMAN)
by David J. Horne & Robin C. Whatley
( City of London Polytechnic & University College of Wales, Aberystwyth )
Palmoconcha laevata (Norman, 1865)
1865 Cy there laevata sp. nov. A. M. Norman, Report on the Crustacea, in: G. S. Brady (Ed.), Reports of deep-sea dredging on the
coasts of Northumberland and Durham, 1862-1864. Nat. Hist. Trans. Northumberland and Durham, 1 (1865-1867), (1), 18,
pi. 5, figs. 13-16.
1981 Lindisfarnia laevata (Norman); D. J. Horne & T. I. Kilenyi, Stereo-Atlas of Ostracod Shells , 8, 107-116 (q.v. for more extensive
synonymy).
Remarks: Horne & Kilenyi (op. cit.) designated Cythere laevata Norman the type-species of their new genus
Lindisfarnia. We have recently been able to compare C. laevata with a lectotype of Palmoconcha
laevimarginata Swain & Gilby, 1974 (kindly provided by Prof. Swain), which is the type-species of
Palmoconcha Swain & Gilby, 1974 (Micropalaeontology , 20, 325). In view of the close similarity of
their carapace features, particularly the hinge and muscle-scars, we are convinced that they are
congeneric. Lindisfarnia must therefore be regarded as a junior synonym of Palmoconcha, and all
the species so far assigned to Lindisfarnia (see Athersuch & Horne, Stereo-Atlas Ostracod Shells. 8,
117-124, 1981 and Zool. J. Linn. Soc., 81, 1-22, 1984) must be reassigned to Palmoconcha.
Stereo-Atlas of Ostracod Shells 12 (29) 159-160 (1985)
Index, Volume 12,1985 (1 of 2)
General Index
amnicola, Tyrrhenocy there', 69-72
anglica, Eucythere', 7-10
armata, Slependia', 85-92
Athersuch, J. & Horne, D. J., On Hiltermannicythere emaciata (Brady); 39-44
Athersuch, J. & Horne, D. J., On Hiltermannicythere rubra (Muller); 45-48
auricularis, Xystista', 77-80
bairdi, Hemicypris', 135-140
baltica, Leptocy there', 93-98
Brephocharieis complicata (Salter); 49-56
caelata, Gambiella: 141-148
commasulcata, Piretia', 15-18
complicata, Brephocharieis ; 49-56
costa, Henningsmoenia: 61-68
declivis, Eucy there', 1—6
dentatomarginata , Hemicypris\ 127-134
emaciata, Hiltermannicythere', 39-44
Eucythere anglica Brady; 7-10
Eucythere declivis (Norman); 1-6
Eucythere prava Brady & Robertson; 11-14
Gambiella caelata Witte gen. et sp. nov.; 141-148
Glyptocythere raasayensis Stevens sp. nov.; 23-30
gotlandica, Gotula: 149-156
Gotula gotlandica (Schallreuter); 149-156
graffhami, Xystista: 81-84
gunnari, Henningsmoenia', 57-60
Hemicypris bairdi Martens & Wouters sp. nov.; 135-140
Hemicypris dentatomarginata (Baird); 127-134
Henningsmoenia costa Orr sp. nov.; 16-68
Henningsmoenia gunnari (Thorslund); 57-60
Hiltermannicythere emaciata (Brady); 39-44
Hiltermannicythere rubra (Muller); 45-48
Horne, D. J. & Athersuch, J., On Hiltermannicythere emaciata (Brady); 39-44
Horne, D. J. & Athersuch, J., On Hiltermannicythere rubra (Muller); 45-48
Home, D. J. & Robinson, J. E., On Loxoconcha malcomsoni Horne & Robinson nom. nov.; 157
Home, D J. & Whatley, R. C., On Palmoconcha laevata (Norman); 158
Horne, D. J. & Whittaker, J. E., On Eucythere anglica Brady; 7-10
Horne, D. J. & Whittaker, J. E., On Eucythere prava Brady & Robertson; 11-14
Horne, D. J. & Whittaker, J. E., On Eucythere declivis (Norman); 1-6
Horne, D. J. & Whittaker, J. E., On Leptocythere baltica Klie; 93-98
Horne, D. J. & Whittaker, J. E., On Leptocythere porcellanea (Brady); 99-106
Kaesler, R. L. & Maness, T. R., On Tyrrhenocythere amnicola (Sars); 69-72
kempfi, Sarsicytheridea: 115-122
Kroemmelbeinia valensis Schallreuter sp. nov.; 19-22
laevata, Palmoconcha ; 158
Leptocythere baltica Klie; 93-98
Leptocythere porcellanea (Brady); 99-106
lienenklausi, Sarsicytheridea', 107-114
Limnocythere shixiaensis (Wang); 31-38
Lomax, A., On Paranotacy there (Paranotacythere) magnifica Lomax sp. nov.; 73-76
Loxoconcha malcomsoni Horne & Robinson nom. nov.; 157
Lundin, R. F. & Siveter, D. J., On Xystista graffhami (Lundin); 81-84
magnifica, Paranotacythere (Paranotacythere) ; 73-76
malcomsoni, Loxoconcha', 157
Maness, T. R. & Kaesler, R. L., On Tyrrhenocythere amnicola (Sars); 69-72
Martens, K. & Wouters, K., On Hemicypris bairdi Martens & Wouters sp. nov.; 135-140
Martens, K. & Wouters, K., On Hemicypris dentatomarginata (Baird); 127-134
mersondaviesi, Pokornyella: 123-126
Neale, J. W., On Pokornyella mersondaviesi (Latham); 123-126
Orr, R. J., On Henningsmoenia costa Orr sp. nov.; 61-68
Orr, R. J. On Henningsmoenia gunnari (Thorslund); 57-60
Orr, R. J. & Schallreuter, R. E. L., On Gotula gotlandica (Schallreuter); 149-156
Palmoconcha laevata (Norman); 158
Paranotacythere (Paranotacythere) magnifica Lomax Sp. nov.; 73-76
Piretia commasulcata Schallreuter sp. nov.; 15-18
Pokornyella mersondaviesi (Latham); 123-126
Pollicott, P. D. & Siveter, D. J., On Slependia armata (Henningsmoen); 85-92
porcellanea, Leptocythere', 99-106
prava, Eucythere', 11-14
raasayensis, Glyptocythere', 23-30
Robinson, J. E. & Horne, D. J., On Loxoconcha malcomsoni Horne & Robinson nom. nov.; 157
rubra, Hiltermannicythere', 45-48
Sarsicytheridea kempfi Weiss sp. nov.; 115-122
Sarsicytheridea lienenklausi (Kuiper); 107-114
Schallreuter, R. E. L., On Kroemmelbeinia valensis Schallreuter sp. nov.; 19-22
Schallreuter, R. E. L., On Piretia commasulcata Schallreuter sp. nov.; 15-18
Index, Volume 12, 1985 (2 of 2)
Stereo-Atlas of Ostracod Shells 12 (29) 160 (1985)
Schallreuter, R. E. L. & Orr, R. J., On Gotula godandica (Schallreuter); 149-156
shixiaensis, Limnocy there; 31—38
Siveter, D. J., On Brephocharieis complicata (Salter); 49-56
Siveter, D. J., On Xystista auricularis (Jones); 77-80
Siveter, D. J. & Lundin, R. F., On Xystista graffhami (Lundin); 81-84
Siveter, D. J. & Pollicott, P. D., On Slependia armata (Henningsmoen); 85-92
Slependia armata (Henningsmoen); 85-92
Stevens, G. W., On Glyptocythere raasayensis Stevens sp. nov.; 23-30
Tyrrhenocy there amnicola (Sars); 69—72
valensis, Kroemmelbeinia; 19-22
Wang, Q., On Limnocythere shixiaensis (Wang); 31-38
Weiss, R. H., On Sarsicytheridea kempfi Weiss sp. nov.; 115-122
Weiss, R. H., On Sarsicytheridea lienenklausi (Kuiper); 107-114
Whatley, R. C. & Horne, D. J., On Palmoconcha laevata (Norman); 158
Whittaker, J. E. & Horne, D. J., On Eucythere anglica Brady; 7-10
Whittaker, J. E. & Horne, D. J., On Eucythere declivis (Norman); 1-6
Whittaker, J. E. & Horne, D. J., On Eucythere prava Brady & Robertson; 11-14
Whittaker, J. E. & Horne, D. J., On Leptocythere baltica Klie; 93-98
Whittaker, J. E. & Horne, D. J., On Leptocythere porcellanea (Brady); 99-106
Witte, L., On Gambiella caelata Witte gen. et sp. nov.; 141-148
Wouters, K. & Martens, K., On Hemicypris bairdi Martens & Wouters sp. nov.; 135-140
Wouters, K. & Martens, K., On Hemicypris dentatomarginata (Baird); 127-134
Xystista auricularis (Jones); 77-80
Xistista graffhami (Lundin); 81-84
(113.312)
(113.313)
(113.33)
(113.331)
(1 16.222)
(1 16.312)
(118.13)
(118.15)
(261.2)
(261.26)
(261.27)
(262)
(262.2)
(411)
(415)
(420)
(427.4)
Index; Geological Horizon
See 1 (2) 5-22 (1973) for explanation of the Schedules in the Universal Decimal Classification
Middle Ordovician:
Brephocharieis complicata; 49-56
Henningsmoenia gunnari; 57-60
Upper Ordovician:
Gotula gotlandica; 149-156
Henningsmoenia costa; 61-68
Kroemmelbeinia valensis; 19-22
Piretia commasulcata; 15-18
Silurian:
Xystista auricularis; 77-80
Xystista graffhami; 81-84
Lower Silurian:
Slependia armata; 85-92
Bajocian:
Glyptocythere raasayensis; 23-30
Hauterivian:
Paranotacythere (Paranotacy there) magnifica ;
73-76
Palaeocene:
Pokornyella mersondaviesi; 123-126
Oligocene:
Sarsicytheridea kempfi; 115-122
Sarsicytheridea lienenklausi; 107-114
(118.22) Pliocene:
Palmoconcha laevata; 158
(119) Quaternary:
Palmoconcha laevata; 158
(119.1) Pleistocene:
Loxoconcha malcomsoni; 157
(119.3) Villafranchian:
Limnocythere shixiaensis; 31-38
(119.9) Recent:
Eucythere anglica; 7-10
Eucythere declivis; 1-6
Eucythere prava; 1 1—14
Gambiella caelata; 141-148
Hemicypris bairdi; 135-140
Hemicypris dentatomarginata; 127-134
Hiltermannicy there emaciata; 39-44
Hiltermannicythere rubra; 45-48
Leptocythere baltica ; 93-98
Leptocythere porcellanea; 99-106
Loxoconcha malcomsoni; 157
Palmoconcha laevata; 158
Tyrrhenocy there amnicola; 69-72
Index; Geographical Location
See 1 (2) 5-22 (1973) for explanation of the Schedules in the Universal Decimal Classification
North-East Atlantic:
Hiltermannicythere emaciata; 39-44
North Sea:
Eucythere declivis; 1-6
Leptocythere baltica; 93-98
Palmoconcha laevata; 158
Irish Sea:
Loxoconcha malcomsoni; 157
Mediterranean Sea:
Hiltermannicythere rubra; 45-48
Eastern Mediterranean:
Tyrrhenocy there amnicola; 69-72
Scotland:
Glyptocythere raasayensis; 23-30
Ireland:
Eucythere prava; 11-14
Gotula gotlandica; 149-156
Henningsmoenia costa; 61-68
England:
Eucythere anglica; 7-10
Eucythere declivis; 1-6
Eucythere prava; 11-14
Leptocythere baltica; 93-98
Leptocythere porcellanea; 99-106
Loxoconcha malcomsoni; 157
Palmoconcha laevata; 158
Xystista auricularis; 77-80
Yorkshire:
Paranotacythere (Paranotacythere) magnifica ;
73-76
(429) Wales:
Brephocharieis complicata; 49-56
(430) Germany:
Leptocythere baltica; 93-98
(430.1) German Federal Republic:
Gotula gotlandica; 149-156
Henningsmoenia gunnari; 57—60
Piretia commasulcata; 15-18
Sarsicytheridea kempfi; 115-122
Sarsicytheridea lienenklausi; 107-114
(481) Norway:
Slependia armata; 85-92
(485) Sweden:
Gotula gotlandica; 149-156
Kroemmelbeinia valensis; 19-22
(493) Belgium:
Leptocythere baltica; 93-98
Leptocythere porcellanea ; 99-106
(510) China:
Limnocythere shixiaensis; 31-38
(540) India:
Hemicypris bairdi; 135-140
Hemicypris dentatomarginata; 127-134
(549) Pakistan:
Pokornyella mersondaviesi; 123-126
(665.1) Gambia:
Gambiella caelata; 141-148
(766) Oklahoma:
Xystista grafflmmi; 81-84
Stereo-Atlas of Ostracod Shells: Vol. 12, Part 2
CONTENTS
12(15)
12 (16)
12 (17)
12 (18)
12 (19)
12 (20)
12 (21)
12 (22)
12 (23)
12 (24)
12 (25)
12 (26)
12 (27)
12 (28)
77-80
81-84
85-92
93-98
99-106
107-114
115-122
123-126
127-134
135-140
141-148
149-156
157
158
On Xystista auricularis (Jones); by David J. Siveter
On Xystista graffhami (Lundin); by R. F. Lundin & David J. Siveter
On Slependia armata (Henningsmoen); by P. D. Pollicott & David J. Siveter
On Leptocythere baltica Klie; by D. J. Horne & J. E. Whittaker
On Leptocythere porcellanea (Brady); by D. J. Horne & J. E. Whittaker
On Sarsicytheridea lienenklausi (Kuiper); by R. H. Weiss
On Sarsicytheridea kempfi Weiss sp. nov.; by R. H. Weiss
On Pokornyella mersondaviesi (Latham); by J. W. Neale
On Hemicypris dentomarginata (Baird); by K. Martens & K. Wouters
On Hemicypris bairdi Martens & Wouters sp. nov.; by K. Martens &
K. Wouters
On Gambiella caelata Witte sp. nov.; by L. Witte
On Gotula gotlandica (Schallreuter); by R. E. L. Schallreuter & R. J. Orr
On Loxoconcha malcomsoni Horne & Robertson sp. nov.; by D. J. Horne &
E. Robinson
On Palmoconcha laevata (Norman); by D. J. Horne & R. C. Whatley
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