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 447
... depth range of 120 m ( mid - continental shelf ) to 545 m ( upper continental slope ) ( Fig . 1 , Table 2 ) . With the exception of sample TBD 3769 ( NW of Walvis Bay ) , however , all the occurrences lie south of 28 ° S , and cluster ...
... depth range of 120 m ( mid - continental shelf ) to 545 m ( upper continental slope ) ( Fig . 1 , Table 2 ) . With the exception of sample TBD 3769 ( NW of Walvis Bay ) , however , all the occurrences lie south of 28 ° S , and cluster ...
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 ...
Contents
Discussion | 447 |
Family Trachyleberididae SylvesterBradley 1948 | 453 |
Acknowledgements | 456 |
Copyright | |
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Common terms and phrases
1972 Poseidonamicus 200 m water AAIW Abbreviations abundance of Poseidonamicus adductors adult valves allochthonous ancestor Antarctic Intermediate Water Atlantic Deep Water Australasia Bathyal Campanian Cenozoic Chapman & Shannon continental margin continental shelf continental slope deep-water depth range Dingle dissolved oxygen dissolved oxygen values dorsal Eocene genus hinge ears holotype homeomorphy inner shelf internal ocular sinus isobath juvenile lower depth limit Lower Eocene margin of south-western mean mud contents Miocene ml/l Mozambique Channel NADW North Atlantic Deep Orange Shelf area ostracod fauna ostracod population oxygen deficient parameters paratypes Percentage of adult percentage of ostracod plotted against water Poseidonamicus major Benson Poseidonamicus panopsus sp Quaternary relative abundance salinity minimum zone scar separated shallow-water species sighted species smoothed 5-point means South African Museum south-western Africa southern Africa species of Poseidonamicus St Helena Bay Tertiary upper depth limit Walvis Bay water depth Whatley & Coles Whatley et al