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
... range Miocene to Recent ( southern hemisphere ) , and a possible record in Oligocene of the NE Atlantic ( Table 1 ) . This species occurs in Pleistocene - Recent sediments off south - western Africa , where it has a known depth range 2 ...
... range Miocene to Recent ( southern hemisphere ) , and a possible record in Oligocene of the NE Atlantic ( Table 1 ) . This species occurs in Pleistocene - Recent sediments off south - western Africa , where it has a known depth range 2 ...
Page 448
... Depth Range P. panopsus mud ( m ) A. Walvis Shelf ( 1 ) 3 9 223 223 B. Orange Shelf ( 20 ) 4 56 248 170-453 C. SW Cape D. Overall ( 6 ) ( 27 ) 3 54 * 268 120-545 3 53 ** 251 120-545 Living specimens occur at two sites on the Orange ...
... Depth Range P. panopsus mud ( m ) A. Walvis Shelf ( 1 ) 3 9 223 223 B. Orange Shelf ( 20 ) 4 56 248 170-453 C. SW Cape D. Overall ( 6 ) ( 27 ) 3 54 * 268 120-545 3 53 ** 251 120-545 Living specimens occur at two sites on the Orange ...
Page 449
... depth range ( 170-453 m , and 120–545 m , respectively ) , and the mean mud contents of the sediments in which the species is recorded ( 53 % and 54 % ) and the mean abundance of the species ( 4 % and 3 % ) are also very close . These ...
... depth range ( 170-453 m , and 120–545 m , respectively ) , and the mean mud contents of the sediments in which the species is recorded ( 53 % and 54 % ) and the mean abundance of the species ( 4 % and 3 % ) are also very close . These ...
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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