Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 3
... differ from the later ones ; they are further apart and slightly emergent . Near the edge of the fragment they are seen to be close together and immersed , with their boun- daries slightly shown . The apertures , especially near the ...
... differ from the later ones ; they are further apart and slightly emergent . Near the edge of the fragment they are seen to be close together and immersed , with their boun- daries slightly shown . The apertures , especially near the ...
Page 6
... differs from it by having immersed zoœcia . Distribution . Senonian . CRISINA MARGINATA ( d'Orbigny ) . Plate I. , fig . 7 . 1853. Idmonea marginata , d'Orbigny , Bry . Crét . , p . 744 , pl . 749 , figs . 20-23 . 1853. Idmonea angulosa ...
... differs from it by having immersed zoœcia . Distribution . Senonian . CRISINA MARGINATA ( d'Orbigny ) . Plate I. , fig . 7 . 1853. Idmonea marginata , d'Orbigny , Bry . Crét . , p . 744 , pl . 749 , figs . 20-23 . 1853. Idmonea angulosa ...
Page 7
South African Museum. subgenus of Crisina , from which it differs in possessing a simple median series of apertures on the obverse face . The fact that it is not always easy to distinguish this series as composed of apertures distinct ...
South African Museum. subgenus of Crisina , from which it differs in possessing a simple median series of apertures on the obverse face . The fact that it is not always easy to distinguish this series as composed of apertures distinct ...
Page 9
... differs in having the apertures slightly further apart in a proximal - distal direction , the zoœcial boundaries more prominent , * J. W. Gregory , Brit . Mus . Cat . Cret . Bry . , vol . i . , 1899 , p . 226 , pl . x . , figs . 5 , 6 ...
... differs in having the apertures slightly further apart in a proximal - distal direction , the zoœcial boundaries more prominent , * J. W. Gregory , Brit . Mus . Cat . Cret . Bry . , vol . i . , 1899 , p . 226 , pl . x . , figs . 5 , 6 ...
Page 33
... differs in important respects from these , and , as will be pointed out below , it probably belongs to the sub - generic group Eriphyla and is certainly most closely com- parable with Cretaceous forms . Berenicea antipodum Tate was ...
... differs in important respects from these , and , as will be pointed out below , it probably belongs to the sub - generic group Eriphyla and is certainly most closely com- parable with Cretaceous forms . Berenicea antipodum Tate was ...
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Common terms and phrases
Acanthodiscus adult Ammonites angle aperture Aptian Astarte atherstoni Sharpe baini bank of Sunday's bone breadth Broom carinal characters closely Coega collection comparison conocardiiformis convex costate Cutch Cynodonts d'Orbigny developed diameter dorsal elongated Eriphyla escutcheon Exogyra fauna figure flank flattened fossils frontal genus Geol Geological German East Africa Graaff-Reinet groove Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett margin Massospondylus narrow Neocomian Neumayr occur Oolitic Oomia beds ornamentation outline Pareiasaurus Pavlow Pecten Plate posterior posteriorly preserved represented resemblance ribs ridges right valve Rogers and Schwarz rogersi sculpture shell similar slightly South African Museum species specimen spiral stage Stoliczka stowi Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series umbilical umbilicus umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River