Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 32
... escutcheon , the very delicate marginal carina , and the fine character of the ornamentation on the area and escutcheon . Trigonia goldfussi Tate is an immature shell , and in all probability illustrates the youthful stage of one of the ...
... escutcheon , the very delicate marginal carina , and the fine character of the ornamentation on the area and escutcheon . Trigonia goldfussi Tate is an immature shell , and in all probability illustrates the youthful stage of one of the ...
Page 35
... escutcheon in distinguishing between the Jurassic Clavellatę on the one hand , and the Cretaceous Clavellatę and Quadrata on the other , and in regard to this feature all the Pseudo - quadratę agree with the Quadratę in having coarsely ...
... escutcheon in distinguishing between the Jurassic Clavellatę on the one hand , and the Cretaceous Clavellatę and Quadrata on the other , and in regard to this feature all the Pseudo - quadratę agree with the Quadratę in having coarsely ...
Page 41
... escutcheon ; they lend an aspect of similarity which cannot be overlooked , especially when these lingering examples of a typically Jurassic section are brought into comparison with the majority of European representatives . Other ...
... escutcheon ; they lend an aspect of similarity which cannot be overlooked , especially when these lingering examples of a typically Jurassic section are brought into comparison with the majority of European representatives . Other ...
Page 42
... escutcheon ; the dwindling and disappearance of sculpture on the area ; and in several instances the situation of the umbones relatively far from the anterior extremity . In the Oomia beds these points are illus- trated in varying ...
... escutcheon ; the dwindling and disappearance of sculpture on the area ; and in several instances the situation of the umbones relatively far from the anterior extremity . In the Oomia beds these points are illus- trated in varying ...
Page 48
... escutcheon ; but to judge from the description , and especially from the figure of an imperfect specimen * which shows the convexity of the anterior profile and the crowded ribs of the frontal series obliquely crossing the growth lines ...
... escutcheon ; but to judge from the description , and especially from the figure of an imperfect specimen * which shows the convexity of the anterior profile and the crowded ribs of the frontal series obliquely crossing the growth lines ...
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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