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
... ancestor existed at least until late Tertiary times in the SW Pacific region . Table 1 lists the known species of the genus Poseidonamicus , as well as their geological and geographical ranges . The most widely recorded species to date ...
... ancestor existed at least until late Tertiary times in the SW Pacific region . Table 1 lists the known species of the genus Poseidonamicus , as well as their geological and geographical ranges . The most widely recorded species to date ...
Page 455
... ancestor is not attractive , because there is no record of Poseidonamicus in the Tertiary of southern Africa . A lineal connection with the Australasian stocks seems the most likely solution , but it may be that P. panopsus or its ancestors ...
... ancestor is not attractive , because there is no record of Poseidonamicus in the Tertiary of southern Africa . A lineal connection with the Australasian stocks seems the most likely solution , but it may be that P. panopsus or its ancestors ...
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