Annals of the South African MuseumThe Museum, 1979 - Natual history |
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Page 66
... diameter , Wb = whorl breadth , Wh whorl height , U umbilical diameter , R = ribs per whorl . = = Figures in parentheses are dimensions expressed as a percentage of diameter . Holotype D Wb Wh Wb : Wh UR BMNH C81266 137,5 ( 100 ) 35 ...
... diameter , Wb = whorl breadth , Wh whorl height , U umbilical diameter , R = ribs per whorl . = = Figures in parentheses are dimensions expressed as a percentage of diameter . Holotype D Wb Wh Wb : Wh UR BMNH C81266 137,5 ( 100 ) 35 ...
Page 188
... diameter and thus closely approaches T. jurinianus . Indeed , the present material all exceeds this diameter and could , therefore , equally well be assigned to T. nautiloides . However , Murphy ( 1967a ) has noted that constrictions ...
... diameter and thus closely approaches T. jurinianus . Indeed , the present material all exceeds this diameter and could , therefore , equally well be assigned to T. nautiloides . However , Murphy ( 1967a ) has noted that constrictions ...
Page 189
... diameter : shell evolute , compressed , with a wide , shallow umbilicus ( 30-41 % of the diameter ) and steep umbilical walls which merge imperceptibly with the strongly convex flanks . The whorl section is oval , depressed ( W / H = 1 ...
... diameter : shell evolute , compressed , with a wide , shallow umbilicus ( 30-41 % of the diameter ) and steep umbilical walls which merge imperceptibly with the strongly convex flanks . The whorl section is oval , depressed ( W / H = 1 ...
Contents
THE SOUTH AFRICAN MUSEUMS MEIRING NAUDE CRUISES | 3 |
South African Museum Cape Town | 27 |
The Unionacea Mollusca Lamellibranchiata of southcentral Africa Published | 33 |
Copyright | |
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Common terms and phrases
abbreviations Aconeceras Africa Albian Alopecoceras Ammonites Angola Anisoceras Aptian authors BMNH body chamber Borissiakoceras Breistroffer Burchell's zebra burchelli CALIFORNIA Cape Town Casey Cenomanian Cobban Collected Collignon Cretaceous diameter distal dorsal endopod Equus quagga ERSITY exopod False Bay fauna figures flank Gastropoda genus geol Holotype Hysteroceras Igoda Formation Infertile colony K. H. Barnard Kennedy Klinger Kunene kunenensis LIBRARY lobe Locality Lower Mariella material Maxilliped Millard Mortoniceras Durnovarites Natal Needs Camp Okavango ornament paratypes pereonite Pereopod perinflatum Pervinquière PF station Pictet & Campiche plains zebras pleonites Pleopod Plioplateia references Renz ribs River SAN DIEGO Sanmartinoceras Sanmartinoceras scientific name segment setae shell shoulder Sinzovia South African Museum southern Sowerby Spath specimens spines Stoliczkaia stripes subgenus subspecies SUID-AFRIKAANSE MUSEUM suture Synonymy telson Tetragonites text-fig Theganeceras Therocephalia Type species umbilical umbilicus University of Cape uppermost Albian uropod USNMNH venter ventral ventrolateral tubercles whole mount whorl section Zambezi Zululand