Annals of the South African Museum, Volumes 79-80The Museum, 1980 - Natural history |
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Page 28
... ventral sides . A typically imperforate area occurs on the lower ventral part of the final chamber . The final chamber is inflated and extends over , and covers part of , the central umbilical region . The dorsal side is flat , the ventral ...
... ventral sides . A typically imperforate area occurs on the lower ventral part of the final chamber . The final chamber is inflated and extends over , and covers part of , the central umbilical region . The dorsal side is flat , the ventral ...
Page 164
... ventral keel , concave in lateral outline , which is not strongly differentiated from the centrum itself . The axis has a rather more elongate centrum with a less marked lateral concavity and ventral keel than the other anterior ...
... ventral keel , concave in lateral outline , which is not strongly differentiated from the centrum itself . The axis has a rather more elongate centrum with a less marked lateral concavity and ventral keel than the other anterior ...
Page 182
... ventral process . Distally , the outline of the articular facet for the ungual phalanx is not uniformly rounded but is somewhat flattened dorsally . The articular surface extends farther on to the ventral than the dorsal aspect of the ...
... ventral process . Distally , the outline of the articular facet for the ungual phalanx is not uniformly rounded but is somewhat flattened dorsally . The articular surface extends farther on to the ventral than the dorsal aspect of the ...
Contents
Acknowledgements | 32 |
INTRODUCTION | 34 |
Bathynataliidae is described and compared with Bathynatalia gilchristi The single specimen | 41 |
Copyright | |
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Common terms and phrases
Africa alcelaphine Ammonites Australiella australis avicularia basal basioccipital bed 3aS body chamber bovids braincase Bryozoa Campanian Campanian of Madagascar Collignon 1948 compressed condamyi condyle Coniacian Damalacra Damaliscus Delawarella Description Colony diameter differs distal dorsal elongated Eocene external tubercles Fabrosaurus fauna fossils frontal Gentry genus geol Heterodontosaurus holotype Hypsilophodon inner whorls keel Klinger Kobus Langebaanweg lateral tubercle lobes locality Lower Campanian Madagascar mandible marginal material Matsumoto 1970 medial Menabites metacarpal Middle Campanian Mortoniceras natalense ssp neanica occipital Occlusal length orifice ornament ornithischian ornithopods ovicell Paratexanites Paratype peristome phragmocone Plesiotexanites Pondoland posterior presoutoni proximal Quarry Raphicerus reduncine referred Reginaites ribs ridge Santonian South African Museum Spath species specimens spines St Lucia St Lucia Formation stangeri Baily station SM stratigraphic submarginal Submortoniceras suture teeth Texanites soutoni text-fig transverse tubercles tuberosities tucki umbilical wall umbilical width umkwelanense Umzamba Upper Santonian venter ventral ventrolateral whorl section woodsi zooids Zululand