Annals of the South African MuseumThe Museum, 1979 - Natual history |
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Page 102
... flank , strengthening as they do so , and sometimes splitting ( Fig . 15G - J ) . They are at their maximum development at mid - flank , where they flex gently backwards , giving rise to a clear concavity which extends across the outer ...
... flank , strengthening as they do so , and sometimes splitting ( Fig . 15G - J ) . They are at their maximum development at mid - flank , where they flex gently backwards , giving rise to a clear concavity which extends across the outer ...
Page 114
... flank is flattened to concave , with gently rounded , convergent outer flanks , converging to an acute , delicately keeled venter . The inner , concave part of the flank is virtually smooth where shell is present , due to weathering ...
... flank is flattened to concave , with gently rounded , convergent outer flanks , converging to an acute , delicately keeled venter . The inner , concave part of the flank is virtually smooth where shell is present , due to weathering ...
Page 215
... flank ribs arising from weak umbilical tubercles and passing slightly prorsiradiate across the flanks to the bases of large , septate ventrolateral spines . Ribs are either single or looped across the venter , and the rib pattern is ...
... flank ribs arising from weak umbilical tubercles and passing slightly prorsiradiate across the flanks to the bases of large , septate ventrolateral spines . Ribs are either single or looped across the venter , and the rib pattern is ...
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