Annals of the South African Museum, Volume 96The Museum, 1985 - Natural history |
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Page 295
... Ornament of initial spire and shaft consists of trituberculate and intermediate ribs . On the final hook the ornament is simpler , with single ribs intercalated with others that bi- or trifurcate from an umbilical tubercle . Suture line ...
... Ornament of initial spire and shaft consists of trituberculate and intermediate ribs . On the final hook the ornament is simpler , with single ribs intercalated with others that bi- or trifurcate from an umbilical tubercle . Suture line ...
Page 308
... ornament of single ribs are features of Tonohamites rather than of Toxo- ceratoides . However , in the former genus the ribs are usually broad and rounded , not thin and sharp as in the Patagonian specimen . The shaft ornament is more ...
... ornament of single ribs are features of Tonohamites rather than of Toxo- ceratoides . However , in the former genus the ribs are usually broad and rounded , not thin and sharp as in the Patagonian specimen . The shaft ornament is more ...
Page 326
... ornament also shows a wide range of variation . In some specimens the ribs are high and sharp , slightly sinusoidal , usually simple , separated by wide interspaces , with rib density between 20 and 22. In others , the ornament consists ...
... ornament also shows a wide range of variation . In some specimens the ribs are high and sharp , slightly sinusoidal , usually simple , separated by wide interspaces , with rib density between 20 and 22. In others , the ornament consists ...
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Common terms and phrases
abbreviations Aedeagus Age and distribution Agulhas Bank Alcyonium variabile ammonite Ancyloceras apex apical Aptian Bairdoppilata Barremian Barremian of western Bay borehole bicuspidata Brachycythere Campanian Cape Peninsula Cape Town Cenomanian Colchidites vulanensis Colophon Coniacian CPBA Cretaceous cruickshanki Cypraea Cypraeidae Cythereis Cytherelloidea described Dingle False Bay faunas female fuscorubra genera genus Gibberleberis Group habitat haughtoni Haughtonileberis Helicancylus Heteroceras holotype Indet iutsui J(c)-1 borehole K. H. Barnard Kakabadze 1971a Klinger & Kennedy labrum Lampanyctus lateral locality longicaudata Maastrichtian male mandibles mantle margin material Metalcyonium morphology Mtubatuba ornament ostracod outcrops paratypes patagonicum pondolandensis posterior pronotum range referred region ribs Richards Bay Río Mayer Rouchadzé 1933 samples Santonian sclerites shaft shell South African Museum south-east Africa specimens stations stokoei subfamily suckers Swartberg Table taxa text-fig tibia Tonohamites Toxoceratoides tubercles Turonian Umzamba bed umzambaensis Upper Barremian variability Ventral process vulanensis australis western Georgia whorl section Zululand