Annals of the South African MuseumThe Museum, 1978 - Natual history |
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Page 66
... umbilical diameter , R = ribs per whorl . Figures in parentheses are dimensions expressed as a percentage of diameter . Holotype D diameter , Wb = whorl breadth , Wb Wh Wb : Wh U R BMNH C81266 137,5 ( 100 ) 35 ( 26 ) at SAS A584 BMNH ...
... umbilical diameter , R = ribs per whorl . Figures in parentheses are dimensions expressed as a percentage of diameter . Holotype D diameter , Wb = whorl breadth , Wb Wh Wb : Wh U R BMNH C81266 137,5 ( 100 ) 35 ( 26 ) at SAS A584 BMNH ...
Page 287
... umbilical walls and well - rounded 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 walls and well - rounded 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 ...
Page 292
... umbilical seam and pass radially outwards to small , but distinct , bullae on the umbilical shoulder . The ribs are rather thick , robust , and vary from slightly rursiradiate to slightly prorsiradiate across the flanks . Where no ...
... umbilical seam and pass radially outwards to small , but distinct , bullae on the umbilical shoulder . The ribs are rather thick , robust , and vary from slightly rursiradiate to slightly prorsiradiate across the flanks . Where no ...
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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