Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
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Page 142
... shell , and has much less sloping upper outlines , with inconspicuous umbonal region and obtuse umbonal angle . It may be noted that Miss E. G. Skeat has referred this Portlandian shell to the genus Tancredia , and expressed the belief ...
... shell , and has much less sloping upper outlines , with inconspicuous umbonal region and obtuse umbonal angle . It may be noted that Miss E. G. Skeat has referred this Portlandian shell to the genus Tancredia , and expressed the belief ...
Page 173
... shell from the Stramberg beds figured by Zittel as Natica ( Ampullina ) elegans Sow .; this differs , however , by the slightly less overlap of the whorls and by the thinner shell ; the inner lip is considerably less thickened than in ...
... shell from the Stramberg beds figured by Zittel as Natica ( Ampullina ) elegans Sow .; this differs , however , by the slightly less overlap of the whorls and by the thinner shell ; the inner lip is considerably less thickened than in ...
Page 175
... shell , and I am unable to state with certainty its true generic position . In spite of the elongated form , the relatively narrow spiral angle , the narrowed aperture , and the body - whorl produced and narrowed below , the characters ...
... shell , and I am unable to state with certainty its true generic position . In spite of the elongated form , the relatively narrow spiral angle , the narrowed aperture , and the body - whorl produced and narrowed below , the characters ...
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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