Annals of the South African MuseumThe Museum, 1987 - Natural history |
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Page 449
... ostracod population ) against the mud contents of the sea - floor sediments ( Fig . 6 ) indicate that the species peaks ( up to 60 % total ostracod population ) at about 250 m water depth , where the mud content of the sediment is ...
... ostracod population ) against the mud contents of the sea - floor sediments ( Fig . 6 ) indicate that the species peaks ( up to 60 % total ostracod population ) at about 250 m water depth , where the mud content of the sediment is ...
Page 453
... ostracod population ) plotted against water depth . The populations of the two species are separated by 1 500 m of water on the continental slope which contains the following physico - chemical barriers : salinity minimum zone of the ...
... ostracod population ) plotted against water depth . The populations of the two species are separated by 1 500 m of water on the continental slope which contains the following physico - chemical barriers : salinity minimum zone of the ...
Page 455
... ostracods , and recorded a relatively high similarity ( 27 % ) at the generic level . However , there were no species in common , and no evidence suggests any contact between the ostracod populations since at least the mid - Cretaceous ...
... ostracods , and recorded a relatively high similarity ( 27 % ) at the generic level . However , there were no species in common , and no evidence suggests any contact between the ostracod populations since at least the mid - Cretaceous ...
Contents
SOUTHERN AFRICA SOUTHEAST ATLANTIC AND SOUTHWEST | 2 |
Synopsis | 17 |
Acknowledgements | 23 |
Copyright | |
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Common terms and phrases
AABW abbreviations Afrochiltonia Agulhas Albian ammonites anal vesicles Annals Atlantic author's name Barnard Basin bicuspidata body chamber bolini bottom depth Campanian Cape Town Cenomanian chelae chelifores Chiplonkar & Ghare claw coast Collignon Coniacian continental coxa Cretaceous Cruise diameter dimorphism Dingle distal distribution dorsal fauna female femur genera genus Geryon gonoducts Gymnoscopelus holotype Hoplitoplacenticeras Hulley Hyatt Hypengonoceras Iljin Kennedy Klinger Labeceras lateral processes legs lobe longitudinal muscle bands Macroconch male margin material Meiring Naude myctophid Myloceras Nymphon Ocean Ochetostoma ocular tubercle ornament oviger pairs palp panopsus papillae paratypes phragmocone Placenticeras kaffrarium Etheridge Placenticeratidae Poseidonamicus posterior proboscis Proplacenticeras propodus pycnogonid references region Santonian sediment segment separated setae Shannon shelf slender slightly South African Museum southern Africa Spath species specimens Strigilis SUID-AFRIKAANSE MUSEUM suture line Synonymy teeth tibia Transkei trunk length tubercles Turonian umbilical tubercles Upper venter whorl section Zululand