Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
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Page 116
... portion of the flank is usually devoid of sculpture and marked only by ridges and furrows of accretion . The lowest ribs of the anterior series become in varying degree irregularly nodose or broken into wavy lines of nodes with loss of ...
... portion of the flank is usually devoid of sculpture and marked only by ridges and furrows of accretion . The lowest ribs of the anterior series become in varying degree irregularly nodose or broken into wavy lines of nodes with loss of ...
Page 121
... portion of it , this lower portion being directed to form a very obtuse angle with the upper portion . Posteriorly to this , the ribs are not divisible into two series . In other specimens , however , the successively formed ribs have ...
... portion of it , this lower portion being directed to form a very obtuse angle with the upper portion . Posteriorly to this , the ribs are not divisible into two series . In other specimens , however , the successively formed ribs have ...
Page
... portion of surface above the middle of the valve on the posterior side , × 4 . Sunday's River ( 280 ) . 4. Pecten ( Camptonectes ) cottaldinus d'Orb . Right valve . Cliff below old school - house on the right bank of Sunday's River ...
... portion of surface above the middle of the valve on the posterior side , × 4 . Sunday's River ( 280 ) . 4. Pecten ( Camptonectes ) cottaldinus d'Orb . Right valve . Cliff below old school - house on the right bank of Sunday's River ...
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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