Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 2
... ridges . One fragment out of seven is figured . Distribution . Senonian . GENUS DIASTOPORA , Lamouroux . Diastopora is here used , as in the British Museum Catalogue , for Diastoporida with an erect uni- , bi- , or even multi - laminar ...
... ridges . One fragment out of seven is figured . Distribution . Senonian . GENUS DIASTOPORA , Lamouroux . Diastopora is here used , as in the British Museum Catalogue , for Diastoporida with an erect uni- , bi- , or even multi - laminar ...
Page 4
... ridge , without a selvage short ( about thrice as long as broad ) , rapidly becoming broader distally . The only specimen of this species has a flat reverse face , but does not encrust any object . But its general shape and corre ...
... ridge , without a selvage short ( about thrice as long as broad ) , rapidly becoming broader distally . The only specimen of this species has a flat reverse face , but does not encrust any object . But its general shape and corre ...
Page 5
... ridge down the obverse face of each zoœcium . Two distinct forms are included under the above definition , and both occur in the material here described . In the first , resembling d'Orbigny's figure of C. cenomana , the zoœcial ...
... ridge down the obverse face of each zoœcium . Two distinct forms are included under the above definition , and both occur in the material here described . In the first , resembling d'Orbigny's figure of C. cenomana , the zoœcial ...
Page 10
... the apertures of a whorl is a half or less than a half the diameter of an aperture ; the zoœcia are immersed , but the boundaries between them are clearly marked by thin ridges . 10 Annals of the South African Museum .
... the apertures of a whorl is a half or less than a half the diameter of an aperture ; the zoœcia are immersed , but the boundaries between them are clearly marked by thin ridges . 10 Annals of the South African Museum .
Page 11
South African Museum. boundaries between them are clearly marked by thin ridges . Next to Tervia dorsata ( von Hagenow ) , this is the commonest species of Cyclostome among the material here described . Distribution . Neocomian to Danian ...
South African Museum. boundaries between them are clearly marked by thin ridges . Next to Tervia dorsata ( von Hagenow ) , this is the commonest species of Cyclostome among the material here described . Distribution . Neocomian to Danian ...
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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