Annals of the South African Museum, Volume 96The Museum, 1985 - Natural history |
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Page 320
... planispiral section and Eristavia and Imerites are both quadri - tuberculate on part of the planispiral whorls . Eristavia differs from Imerites in having intercalatory and bifurcating ribs ; the latter originate at the ventrolateral ...
... planispiral section and Eristavia and Imerites are both quadri - tuberculate on part of the planispiral whorls . Eristavia differs from Imerites in having intercalatory and bifurcating ribs ; the latter originate at the ventrolateral ...
Page 326
... planispiral section , forming an acute angle of between 31 and 42 degrees . The apex of the helix rests on the umbilical edge of the planispiral section . The whorl section in the helix is slightly depressed , subquadrate with rounded ...
... planispiral section , forming an acute angle of between 31 and 42 degrees . The apex of the helix rests on the umbilical edge of the planispiral section . The whorl section in the helix is slightly depressed , subquadrate with rounded ...
Page 331
... planispiral whorls at a diameter of 300 mm . No signs of uncoiling or uncoiled fragments are known . Ornament on the planispiral section is very variable , but generally tends to weaken on the outer whorls , becoming nearly smooth in ...
... planispiral whorls at a diameter of 300 mm . No signs of uncoiling or uncoiled fragments are known . Ornament on the planispiral section is very variable , but generally tends to weaken on the outer whorls , becoming nearly smooth in ...
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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