Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
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Page 150
... inflated character , the position of the umbones , and the wrinkled surface , bears no slight resem- blance to C. regularis d'Orb . , * from the lower Gault of Europe ; it differs chiefly in the manner in which the upper margin slopes ...
... inflated character , the position of the umbones , and the wrinkled surface , bears no slight resem- blance to C. regularis d'Orb . , * from the lower Gault of Europe ; it differs chiefly in the manner in which the upper margin slopes ...
Page 196
... inflated shell , and has a relatively narrower and much more profound umbilicus . The points of distinction are in fact so great that the only course open is to definitely separate the two forms . There is much stronger resemblance to H ...
... inflated shell , and has a relatively narrower and much more profound umbilicus . The points of distinction are in fact so great that the only course open is to definitely separate the two forms . There is much stronger resemblance to H ...
Page 205
... inflated form which has some resemblance to H. modderensis , but it differs from this by its relatively higher whorl - section , less strong involution , and greater number of umbilical ribs . Here again , the comparison cannot be quite ...
... inflated form which has some resemblance to H. modderensis , but it differs from this by its relatively higher whorl - section , less strong involution , and greater number of umbilical ribs . Here again , the comparison cannot be quite ...
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Common terms and phrases
Acanthodiscus Ammonites angle anteriorly aperture Aptian Astarte atherstoni Sharpe baini Sharpe bank of Sunday's Belemnites carinal characters closely Coega Coega Valley collection comparison conocardiiformis convex costate Cutch d'Orb d'Orbigny delicate developed Dimensions Dunbrodie elongated Eriphyla escutcheon Exogyra fauna figured flank flattened fossils frontal genus Geol German East Africa Graaff-Reinet groove Hauterivian height herzogi Holcostephanus holubi inflated Jurassic keel Krauss last whorl left valve less Lower Cretaceous Lycett margin Marine Beds Müller narrow Neocomian Neumayr occur Oolitic Oomia beds ornamentation outline Pavlow Pecten posterior posteriorly railway relatively represent resemblance ribs ridges right valve Rogers and Schwarz sculpture shell similar South African Museum Sowerby species specimen spiral Stoliczka stowi strata Sunday's River surface suture Tate Tate's transverse Trigonia Trigonia ventricosa tubercles Uhlig Uitenhage beds Uitenhage Series uitenhagensis sp umbilical umbilicus umbo umbonal region upper W. T. Blanford whorl Zwartkop's River