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 438
... Pleistocene - Recent sediments off south - western Africa , where it has a known depth range 2 070-2 916 m ( Dingle et al . in press ) . Although the genus has been recorded from Tertiary sediments in the South Atlantic ( P ...
... Pleistocene - Recent sediments off south - western Africa , where it has a known depth range 2 070-2 916 m ( Dingle et al . in press ) . Although the genus has been recorded from Tertiary sediments in the South Atlantic ( P ...
Page 447
... Pleistocene - Recent . DISCUSSION The discovery of a sighted species of Poseidonamicus living on the continen- tal shelf off south - western Africa has a number of important implications for understanding the evolution of the genus ...
... Pleistocene - Recent . DISCUSSION The discovery of a sighted species of Poseidonamicus living on the continen- tal shelf off south - western Africa has a number of important implications for understanding the evolution of the genus ...
Page 455
... Pleistocene in Australasia ) without either becoming extinct or being subject to major evolutionary change . Although this can only be confirmed if and when sighted shelf species of Poseidonamicus are recovered from Tertiary shallow ...
... Pleistocene in Australasia ) without either becoming extinct or being subject to major evolutionary change . Although this can only be confirmed if and when sighted shelf species of Poseidonamicus are recovered from Tertiary shallow ...
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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