Annals of the South African Museum, Volume 96The Museum, 1985 - Natural history |
From inside the book
Results 1-3 of 34
Page 298
... ribs , bearing a small ventral tubercle and separated by wider interspaces . At a slightly larger diameter ( 6 mm ) , the ribs become differentiated and the ornament consists of alternating tuberculate ribs and non - tuberculate ...
... ribs , bearing a small ventral tubercle and separated by wider interspaces . At a slightly larger diameter ( 6 mm ) , the ribs become differentiated and the ornament consists of alternating tuberculate ribs and non - tuberculate ...
Page 303
... ribs . However , both species are easily distinguished by the ornament of the final hook . In the former , there are radial , broad and rounded single ribs ( Casey 1961 : 80 , pl . 5 ( fig . 3a - b ) , pl . 21 ( fig . 2 ) ) , while in T ...
... ribs . However , both species are easily distinguished by the ornament of the final hook . In the former , there are radial , broad and rounded single ribs ( Casey 1961 : 80 , pl . 5 ( fig . 3a - b ) , pl . 21 ( fig . 2 ) ) , while in T ...
Page 305
... ribs duplicate from the ventrolateral tubercle and on the lower flank and dorsum they form two fine ribs , while between the ventrolateral and ventral tubercle there is only a single flat and broad rib . At large diameters , the ...
... ribs duplicate from the ventrolateral tubercle and on the lower flank and dorsum they form two fine ribs , while between the ventrolateral and ventral tubercle there is only a single flat and broad rib . At large diameters , the ...
Other editions - View all
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