Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 48
... frontal series obliquely crossing the growth lines - just as in the Oomia T. recurva - there can be little doubt about the position of this shell relative to the main divisions of the genus . Whether it is more closely allied to the ...
... frontal series obliquely crossing the growth lines - just as in the Oomia T. recurva - there can be little doubt about the position of this shell relative to the main divisions of the genus . Whether it is more closely allied to the ...
Page 68
... frontal profile , but is likewise merely ornamented by delicately punctate linear striæ with smooth interspaces , attaining , moreover , much larger dimensions . Pecten buchi Roem . , also Upper Jurassic , is well distinguished by its ...
... frontal profile , but is likewise merely ornamented by delicately punctate linear striæ with smooth interspaces , attaining , moreover , much larger dimensions . Pecten buchi Roem . , also Upper Jurassic , is well distinguished by its ...
Page 71
... frontal face , truncating the shell . This frontal area is in no degree sunk or concave in form . The umbones are acute and sharp , terminal at the anterior extremity of the hinge - line ; the superior border of the shell is straight ...
... frontal face , truncating the shell . This frontal area is in no degree sunk or concave in form . The umbones are acute and sharp , terminal at the anterior extremity of the hinge - line ; the superior border of the shell is straight ...
Page 93
... frontal terminations ; in T. ventricosa , on the other hand , as in other members of the section , these ribs alternate in position , and it seems probable that an error was committed in the execution of this figure of T. tuberculifera ...
... frontal terminations ; in T. ventricosa , on the other hand , as in other members of the section , these ribs alternate in position , and it seems probable that an error was committed in the execution of this figure of T. tuberculifera ...
Page 94
... frontal face . In the work cited above , Paulcke brings T. nepos and T. delafossei into close relationship ; yet he perceives in T. nepos an exceedingly close resemblance to T. baylei Dollfus , † from the Kime- ridge of Europe , and ...
... frontal face . In the work cited above , Paulcke brings T. nepos and T. delafossei into close relationship ; yet he perceives in T. nepos an exceedingly close resemblance to T. baylei Dollfus , † from the Kime- ridge of Europe , and ...
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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