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
1st phalanx Ammonites angle aperture Aptian articular Astarte atherstoni Sharpe baini bank of Sunday's bone Broom carinal characters closely Coega collection comparison convex Cutch Cynodonts Cynognathus d'Orbigny Dicynodon differs distal dorsal dorsal fin elongated Exogyra fauna figured flank flattened fossils front frontal genus Geol Geological Graaff-Reinet greatest Gryponyx Hauterivian height herzogi Holcostephanus humerus imbricata Jurassic keel Krauss Left valve length Lower Cretaceous Lystrosaurus margin Massospondylus maxilla measures narrow Neocomian Neumayr occur Oomia ornamentation outline Pareiasaurus Pecten phalanx Plate portion posterior posteriorly preserved probably Propappus represented resemblance ribs ridges Right valve Rogers and Schwarz rogersi sculpture Seeley shell side similar skull slightly South African Museum species specimen Sunday's River surface suture Tate transverse Trigonia tubercles Uhlig Uitenhage Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbo umbonal region upper ventricosa W. T. Blanford whorl width zoarium Zwartkop's River