Annals of the South African Museum, Volume 7, Part 2South African Museum, 1898 - Natural history |
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Page 104
... flank . The sculpture of the flank in the young shell consists of relatively strong concentric nodular ribs , four of which are already developed when the shell has attained a height of 10 mm . Subsequently formed ribs increase rapidly ...
... flank . The sculpture of the flank in the young shell consists of relatively strong concentric nodular ribs , four of which are already developed when the shell has attained a height of 10 mm . Subsequently formed ribs increase rapidly ...
Page 108
... flank ornaments , and the later appearance of transverse sculpture on the area . In the middle of the flank of an adult specimen , the ribs of T. herzogi are straight , while those of T. holubi are curved . The backward slope of the ...
... flank ornaments , and the later appearance of transverse sculpture on the area . In the middle of the flank of an adult specimen , the ribs of T. herzogi are straight , while those of T. holubi are curved . The backward slope of the ...
Page 116
... flank become bent down in the middle in angular form and become more widely spaced . The transition from the straight to the angularly bent flank - ribs is somewhat sudden . Three or four bent ribs are successively produced , having a ...
... flank become bent down in the middle in angular form and become more widely spaced . The transition from the straight to the angularly bent flank - ribs is somewhat sudden . Three or four bent ribs are successively produced , having a ...
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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