Annals of the South African Museum, Volume 96The Museum, 1985 - Natural history |
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Page 302
... whorl and to ribs arising in groups of two or three from an umbilical tubercle . On the final hook these tubercles also disappear and the ribbing is simple . The suture line is quite simple with trifid internal , umbilical , and lateral ...
... whorl and to ribs arising in groups of two or three from an umbilical tubercle . On the final hook these tubercles also disappear and the ribbing is simple . The suture line is quite simple with trifid internal , umbilical , and lateral ...
Page 307
... whorl section and the tuberculation appears at a very small diameter ( Förster 1975 ; Klinger & Kennedy 1977 ) . Etayo Serna ( 1979 ) proposed a new subgenus and new species of Toxoceratoides : T. ( Colomboceratoides ) renzoni . The ...
... whorl section and the tuberculation appears at a very small diameter ( Förster 1975 ; Klinger & Kennedy 1977 ) . Etayo Serna ( 1979 ) proposed a new subgenus and new species of Toxoceratoides : T. ( Colomboceratoides ) renzoni . The ...
Page 326
... whorl . Coiling in the first half of the planispiral whorl is irregular , with lateral deviations , but then becomes regular . In most specimens the planispiral whorl embraces the helix tightly , leaving no openings . The first planispiral ...
... whorl . Coiling in the first half of the planispiral whorl is irregular , with lateral deviations , but then becomes regular . In most specimens the planispiral whorl embraces the helix tightly , leaving no openings . The first planispiral ...
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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 Cypraea Cypraeidae Cythereis Cytherelloidea described Dingle False Bay faunas female fuscorubra genera genus geol Gibberleberis Group habitat haughtoni Haughtonileberis Helicancylus Heteroceras holotype Indet iutsui J(c)-1 borehole K. H. Barnard Kakabadze 1971a 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 SUID-AFRIKAANSE MUSEUM Swartberg Table taxa text-fig Thomson tibia Tonohamites Toxoceratoides tubercles Turonian Umzamba bed umzambaensis Upper Barremian variability Ventral process vulanensis australis western Georgia whorl section Zululand