Annals of the South African Museum, Volumes 79-80The Museum, 1980 - Natural history |
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Page 91
... marginal pores ; mandible semicircular , directed laterally or proximolaterally . Ovicell broader than long , smooth and imperforate , opening into the peristome ; completely obscured by development of the peristome and continued ...
... marginal pores ; mandible semicircular , directed laterally or proximolaterally . Ovicell broader than long , smooth and imperforate , opening into the peristome ; completely obscured by development of the peristome and continued ...
Page 138
... marginal ( 4 ) tubercles clearly exposed in the umbilical seam . Increase in diameter is rapid . The costal whorl ... marginal ( 3 ) , marginal ( 4 ) , and external ( 5 ) tubercles are situated closer to each F E other than the umbilical ...
... marginal ( 4 ) tubercles clearly exposed in the umbilical seam . Increase in diameter is rapid . The costal whorl ... marginal ( 3 ) , marginal ( 4 ) , and external ( 5 ) tubercles are situated closer to each F E other than the umbilical ...
Page 339
... marginal ( 3 ) tubercle , poorly developed marginal ( 4 ) tubercle but prominent external ( 5 ) tubercles , all situated on poorly developed radial to prorsiradiate ribs . The ribs may be single , but the majority generally bifurcate at ...
... marginal ( 3 ) tubercle , poorly developed marginal ( 4 ) tubercle but prominent external ( 5 ) tubercles , all situated on poorly developed radial to prorsiradiate ribs . The ribs may be single , but the majority generally bifurcate at ...
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