Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 1
... defined , as though the specimens were covered with a thin incrustation . And in both the large proportion of erect , cylindrical Polyzoa is remarkable . The species described below range from the Neocomian to the Danian , and the ...
... defined , as though the specimens were covered with a thin incrustation . And in both the large proportion of erect , cylindrical Polyzoa is remarkable . The species described below range from the Neocomian to the Danian , and the ...
Page 3
... definition does not distinguish D. compressa from Mesenteripora Hyselyi , de Loriol ( Urg . Land .: Mém . Soc . helv . Sci . Nat . , vol . xxiii . , 1869 , p . 40 , pl . iii . , fig . 1 ) , from the Urgonian of Neuchatel ; and from the ...
... definition does not distinguish D. compressa from Mesenteripora Hyselyi , de Loriol ( Urg . Land .: Mém . Soc . helv . Sci . Nat . , vol . xxiii . , 1869 , p . 40 , pl . iii . , fig . 1 ) , from the Urgonian of Neuchatel ; and from the ...
Page 4
... defined as a genus of Idmoneidæ , in which the zoarium is erect , and consists of solid branches , which are subcylindrical or moderately compressed ; the reverse face is well developed , but does not overlie an axial rod " as in ...
... defined as a genus of Idmoneidæ , in which the zoarium is erect , and consists of solid branches , which are subcylindrical or moderately compressed ; the reverse face is well developed , but does not overlie an axial rod " as in ...
Page 5
... definition distinguishes C. cenomana from all cretaceous forms of Retecava as well as from others of Crisina . Those species of Retecava which most resemble it have a very slight median keel on the obverse face , except R. Abbotti ...
... definition distinguishes C. cenomana from all cretaceous forms of Retecava as well as from others of Crisina . Those species of Retecava which most resemble it have a very slight median keel on the obverse face , except R. Abbotti ...
Page 9
... definition would also include , has thinner branches and the apertures still further apart than in E. virgula . This is the commonest species of Cretaceous Entalophora and has been found in most of the localities whence Cretaceous ...
... definition would also include , has thinner branches and the apertures still further apart than in E. virgula . This is the commonest species of Cretaceous Entalophora and has been found in most of the localities whence Cretaceous ...
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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