Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1989 - Natural history |
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Page 442
... prominent ; medianly inflated . Dorsal margin with prominent anterior and posterior hinge ears in LV . Description External features . Medium - sized ( see relative size scale for genus , Whatley et al . 1986 : 388 ) , thick - shelled ...
... prominent ; medianly inflated . Dorsal margin with prominent anterior and posterior hinge ears in LV . Description External features . Medium - sized ( see relative size scale for genus , Whatley et al . 1986 : 388 ) , thick - shelled ...
Page 446
... prominent anterior and posterior hinge ears in LV , particularly in the female . VM straight to very gently convex . Greatest height at the ACA , greatest length just below mid - height ; greatest width just behind mid - length . Eye ...
... prominent anterior and posterior hinge ears in LV , particularly in the female . VM straight to very gently convex . Greatest height at the ACA , greatest length just below mid - height ; greatest width just behind mid - length . Eye ...
Page 447
... prominent . Avestibulate . Internal ocular sinus distinct , open in juveniles , somewhat restricted at its base in adults . Hinge holamphidont . MS comprising four undivided adductors , two frontals and two mandibular scars . Remarks ...
... prominent . Avestibulate . Internal ocular sinus distinct , open in juveniles , somewhat restricted at its base in adults . Hinge holamphidont . MS comprising four undivided adductors , two frontals and two mandibular scars . Remarks ...
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Common terms and phrases
100 microns 1972 Poseidonamicus 250 m water AAIW Abbreviations abundance of Poseidonamicus adult valves Atlantic Deep Water Atlantic SW author's name Bathyal Benson & Peypouquet Campanian Cenozoic N Atlantic Chapman & Shannon continental margin continental shelf continental slope deep-water depth range dissolved oxygen DSDP Eocene eye tubercle Gastropoda genus hinge ears holotype internal ocular sinus juvenile MARGIN OF SOUTH-WESTERN mean mud contents Miocene ml/l Mozambique Channel NADW ocularis Whatley Oligocene Orange Shelf Orange Shelf area ostracod fauna ostracod population paratypes percentage of ostracod Peypouquet 1983 plotted against water Poseidonamicus major Benson Poseidonamicus panopsus sp Poseidonamicus sp Quaternary salinity minimum zone Scale bars scars separated SHALLOW-WATER SPECIES sighted species slope off south-western smoothed 5-point means South African Museum south-western Africa southern Africa species of Poseidonamicus St Helena Bay SW Cape Synonymy Table Tertiary upper depth limit Walvis Bay water depth Water mass Whatley & Coles Whatley et al