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
... species considered by Benson ( 1972 ) , as well as two further Miocene species from the South Atlantic ( Benson in Benson & Peypouquet 1983 ) , were blind . Subsequent studies by Whatley and his colleagues ( e.g. Whatley 1983 , 1985 ...
... species considered by Benson ( 1972 ) , as well as two further Miocene species from the South Atlantic ( Benson in Benson & Peypouquet 1983 ) , were blind . Subsequent studies by Whatley and his colleagues ( e.g. Whatley 1983 , 1985 ...
Page 447
... species differs from all other known species of the genus by possessing a prominent eye tubercle , a distinct internal ocular sinus , an inflated carapace , and in details of its ornamentation . The only other species of Poseidonamicus ...
... species differs from all other known species of the genus by possessing a prominent eye tubercle , a distinct internal ocular sinus , an inflated carapace , and in details of its ornamentation . The only other species of Poseidonamicus ...
Page 455
... species of the genus may be encountered in due course ' . The discovery of the sighted shelf species P. panopsus sp . nov . has justified these expectations , but the present authors admit to surprise that it should have been ...
... species of the genus may be encountered in due course ' . The discovery of the sighted shelf species P. panopsus sp . nov . has justified these expectations , but the present authors admit to surprise that it should have been ...
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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