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 440
... reticulate to punctate area medianly , the two areas being separated by a subvertical loop in the region of the adductor scars . These 25 CAPE BASIN 5 200km 21 Walvis Bay ORANGE SHELF 440 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... reticulate to punctate area medianly , the two areas being separated by a subvertical loop in the region of the adductor scars . These 25 CAPE BASIN 5 200km 21 Walvis Bay ORANGE SHELF 440 ANNALS OF THE SOUTH AFRICAN MUSEUM.
Page 446
... adductor scars , bearing small deep fossae and being embraced posteriorly and ventrally by the mural loop characteristic of the genus . Marginal rims prominent anteriorly and posteriorly ; smooth except for a thin ridge along their ...
... adductor scars , bearing small deep fossae and being embraced posteriorly and ventrally by the mural loop characteristic of the genus . Marginal rims prominent anteriorly and posteriorly ; smooth except for a thin ridge along their ...
Page 447
... adductors are all elongate / ovate , with a ' dog's bone ' - shaped second scar . The third scar of the adductor quartet in P. major is relatively longer than in P. panopsus . Range Pleistocene - Recent . DISCUSSION The discovery of a ...
... adductors are all elongate / ovate , with a ' dog's bone ' - shaped second scar . The third scar of the adductor quartet in P. major is relatively longer than in P. panopsus . Range Pleistocene - Recent . DISCUSSION The discovery of a ...
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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