Annals of the South African Museum, Volumes 79-80The Museum, 1980 - Natural history |
From inside the book
Results 1-3 of 61
Page 89
... umbilical seam , and soon broad , flat ribs appear , some with incipient looping . At a diameter of 20 mm umbilical tubercles start appearing at the dorsal ends of these ribs . Ribbing is single throughout . Lateral ( 2 ) tubercles ...
... umbilical seam , and soon broad , flat ribs appear , some with incipient looping . At a diameter of 20 mm umbilical tubercles start appearing at the dorsal ends of these ribs . Ribbing is single throughout . Lateral ( 2 ) tubercles ...
Page 138
... umbilical seam . Increase in diameter is rapid . The costal whorl section on the phragmocone is distinctly quadrate ... umbilical ( 1 ) tubercles are conical to radially elongated , pointed slightly inwards and with bases extending a ...
... umbilical seam . Increase in diameter is rapid . The costal whorl section on the phragmocone is distinctly quadrate ... umbilical ( 1 ) tubercles are conical to radially elongated , pointed slightly inwards and with bases extending a ...
Page 168
... umbilical wall of the succeeding whorl . On the innermost whorl preserved , these spines are impressed into the umbilical wall to such an extent that the whorl appears angular when viewed laterally . The spines arise from low , broad ...
... umbilical wall of the succeeding whorl . On the innermost whorl preserved , these spines are impressed into the umbilical wall to such an extent that the whorl appears angular when viewed laterally . The spines arise from low , broad ...
Contents
Acknowledgements | 32 |
INTRODUCTION | 34 |
Bathynataliidae is described and compared with Bathynatalia gilchristi The single specimen | 41 |
Copyright | |
4 other sections not shown
Other editions - View all
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