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 447
... similar ( Fig . 5 ) , with the anterior scars consisting of an ovate dorsal scar and a partially subdivided ventral scar , whereas the adductors are all elongate / ovate , with a ' dog's bone ' - shaped second scar . The third scar of ...
... similar ( Fig . 5 ) , with the anterior scars consisting of an ovate dorsal scar and a partially subdivided ventral scar , whereas the adductors are all elongate / ovate , with a ' dog's bone ' - shaped second scar . The third scar of ...
Page 449
... similar 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 ...
... similar 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 ...
Page 455
... similar to H. sagitta Bate , a possible progenitor for the SW Pacific Poseidonamicus populations ( Whatley et al . 1983 ) , but even the possibility of homeomorphy from a similar ancestor is not attractive , because there is no record ...
... similar to H. sagitta Bate , a possible progenitor for the SW Pacific Poseidonamicus populations ( Whatley et al . 1983 ) , but even the possibility of homeomorphy from a similar ancestor is not attractive , because there is no record ...
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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