Annals of the South African Museum, Volume 7South African Museum, 1913 - Natual history |
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Page 2
... less the diameter of an aperture ; between those of neighbouring series twice - and - a - half to thrice . Zoccia immersed , but the boundaries between them are more or less apparent as ridges . One fragment out of seven is figured ...
... less the diameter of an aperture ; between those of neighbouring series twice - and - a - half to thrice . Zoccia immersed , but the boundaries between them are more or less apparent as ridges . One fragment out of seven is figured ...
Page 3
... less than once the diameter of an aperture . This 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 ) ...
... less than once the diameter of an aperture . This 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 ) ...
Page 9
... less clearly marked , and the apertures occur in groups of three instead of two as in E. geminata . A single specimen of this species occurs among the material here described . Distribution . Cenomanian . ENTALOPHORA ECHINATA ( Römer ) ...
... less clearly marked , and the apertures occur in groups of three instead of two as in E. geminata . A single specimen of this species occurs among the material here described . Distribution . Cenomanian . ENTALOPHORA ECHINATA ( Römer ) ...
Page 10
... less than four diameters of an aperture ; there are four to six apertures in the breadth of a branch ; the apertures are somewhat irregularly arranged in spirals ; the zoœcia are immersed . Three ill - preserved specimens from among the ...
... less than four diameters of an aperture ; there are four to six apertures in the breadth of a branch ; the apertures are somewhat irregularly arranged in spirals ; the zoœcia are immersed . Three ill - preserved specimens from among the ...
Page 15
... less conical but sometimes rather irregular , and either slightly curved or nearly straight . The area is large and triangular , with a raised pseudo - deltidium . On the exterior of the shell are growth - ridges parallel to the margin ...
... less conical but sometimes rather irregular , and either slightly curved or nearly straight . The area is large and triangular , with a raised pseudo - deltidium . On the exterior of the shell are growth - ridges parallel to the margin ...
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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