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 zoocial 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 zoocial 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 bank of Sunday's bone Broom carinal characters closely Coega collection comparison conocardiiformis convex Cutch Cynodonts d'Orbigny developed diameter Dicynodon differs distal dorsal Dunbrodie elongated Eriphyla escutcheon Exogyra fauna figured flank flattened fossils frontal genus Geol Geological Graaff-Reinet greatest groove Gryponyx Hauterivian height herzogi Holcostephanus holubi imbricata Jurassic keel Kitchin Krauss left valve length less Lower Cretaceous Lycett Lystrosaurus margin Massospondylus narrow Neocomian Neumayr occur ornamentation outline Pareiasaurus Pavlow Pecten phalanx Plate posterior posteriorly preserved probably represented resemblance ribs ridges Right valve Rogers and Schwarz sculpture Seeley shell similar slightly South African Museum species specimen spiral stage Stoliczka Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbo umbonal region upper W. T. Blanford whorl zoarium Zwartkop's River