Annals of the South African MuseumThe Museum, 1978 - Natual history |
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Page 102
... shoulder . The whorl section varies markedly ; stout individuals have a whorl breadth to height ratio of 0,6 ; in slender individuals the figure is 0,4 . Maximum whorl breadth is low on the flanks ; the inner flanks are flattened , the ...
... shoulder . The whorl section varies markedly ; stout individuals have a whorl breadth to height ratio of 0,6 ; in slender individuals the figure is 0,4 . Maximum whorl breadth is low on the flanks ; the inner flanks are flattened , the ...
Page 112
... shoulder . The preserved fragment bears seven small , sharp , comma - shaped bullae at the shoulder . These give rise to bundles of fine , dense , flexuous striae which , being crowded close to the umbilicus , appear as ribs , which ...
... shoulder . The preserved fragment bears seven small , sharp , comma - shaped bullae at the shoulder . These give rise to bundles of fine , dense , flexuous striae which , being crowded close to the umbilicus , appear as ribs , which ...
Page 287
... shoulders . Ribbing begins at the umbilical seam , is rather faint at first , strengthening as it passes radially outwards to the umbilical shoulder . The ribs may strengthen slightly on the umbilical shoulder , but true umbilical ...
... shoulders . Ribbing begins at the umbilical seam , is rather faint at first , strengthening as it passes radially outwards to the umbilical shoulder . The ribs may strengthen slightly on the umbilical shoulder , but true umbilical ...
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Common terms and phrases
abbreviation Aconeceras Africa Albian Alopecoceras Ammonites Angola Anisoceras Aptian authors BMNH body chamber Borissiakoceras Breistroffer Burchell's zebra burchelli Cape Town Casey Cenomanian Cobban Collected Collignon comma compressed Cretaceous diameter distal dorsal endopod Equus quagga exopod False Bay fauna female colonies figures flank genus geol Hamites Holotype Hysteroceras Igoda Formation Infertile colony K. H. Barnard Kennedy Klinger Kunene kunenensis Lateral view lobe Locality Mariella material Maxilla Maxilliped Millard Mortoniceras Durnovarites Natal Okavango ornament paratypes pereonite Pereopod perinflatum Pervinquière PF station Pictet & Campiche plains zebras pleonites Pleopod Plioplateia references Renz ribs River Sanmartinoceras Sanmartinoceras scientific name segment setae shell shoulder Sinzovia South African Museum southern Sowerby Spath specimens spines Stoliczkaia stripes subgenus subspecies suture Synonymy telson Tetragonites text-fig Theganeceras Therocephalia Type species umbilical umbilicus University of Cape Upper Albian uppermost Albian uropod USNMNH venter ventral ventrolateral tubercles whole mount whorl section Zambezi Zululand