Annals of the South African MuseumThe Museum, 1979 - Natual history |
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Page 15
... rounded ridges , conspicuously scaled . Pleon narrower than pereon ; pleonites 1 to 5 subequal , pleonite 6 posteriorly bilobed , almost twice length of preceding pleonite . Telson equal to pleonites 1 to 6 in length , distally evenly ...
... rounded ridges , conspicuously scaled . Pleon narrower than pereon ; pleonites 1 to 5 subequal , pleonite 6 posteriorly bilobed , almost twice length of preceding pleonite . Telson equal to pleonites 1 to 6 in length , distally evenly ...
Page 102
... rounded venter . All the available specimens are partially or wholly exfoliated , and any ornament , if present , must have been weak . A few specimens begin to show traces of a ventral ridge , but not a keel at this diameter , although ...
... rounded venter . All the available specimens are partially or wholly exfoliated , and any ornament , if present , must have been weak . A few specimens begin to show traces of a ventral ridge , but not a keel at this diameter , although ...
Page 186
... rounded in maturity . Umbilicus narrow ( 16-30 % of the diameter ) , deep , with almost vertical walls and evenly rounded umbilical shoulders . The flanks are flattened , with maximum width close to the umbilical shoulder , and converge ...
... rounded in maturity . Umbilicus narrow ( 16-30 % of the diameter ) , deep , with almost vertical walls and evenly rounded umbilical shoulders . The flanks are flattened , with maximum width close to the umbilical shoulder , and converge ...
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