Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 90
It shows close similarities with the examples illustrated by Winter ( 1970 ) from the Early Kimmeridgian of southern Germany . The initial coil of the Sundays River example is very incomplete . The test is attached to a fragment of ...
It shows close similarities with the examples illustrated by Winter ( 1970 ) from the Early Kimmeridgian of southern Germany . The initial coil of the Sundays River example is very incomplete . The test is attached to a fragment of ...
Page 131
Ribs in well - preserved examples sharply defined , narrow , with rounded peaks , and never bladed ; in corroded specimens the ribs are more broadly rounded . The majority of the ribs are continuous over sutures , although a little ...
Ribs in well - preserved examples sharply defined , narrow , with rounded peaks , and never bladed ; in corroded specimens the ribs are more broadly rounded . The majority of the ribs are continuous over sutures , although a little ...
Page 170
... examples studied , the final chamber extends back to , or very close to the umbilicus . Sutures distinct , initially evenly curved , later becoming almost straight for much of their length and strongly curved near to the test ...
... examples studied , the final chamber extends back to , or very close to the umbilicus . Sutures distinct , initially evenly curved , later becoming almost straight for much of their length and strongly curved near to the test ...
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abundant Albian Algoa Basin Ammobaculites apertural appears Argentina assemblages Astacolus Barremian Bartenstein & Brand base Biozone Bb borehole chambers Clay close coil Colchester core Cretaceous depressed described distinct Dorothia dorsal Early Hauterivian environments Epistomina Espitalié & Sigal examples facing feet Figure final foraminifera genus grey claystone Haplophragmoides Holotype illustrated inflated initial interval Kimmeridgian Lagena Late Hauterivian Biozone Late Valanginian Biozone later Lenticulina lignite Lingulina localities lower Magniez-Jannin margin Masiuk McLachlan McLachlan et al middle Mngazana Nodosaria Occasional occur offshore ornamentation outcrop sample Paratype periphery Pletmos possess present probably rare referred Reinholdella Remarks Reuss ribs Roemer rounded seen shallow shelf shell side view similar SOEKOR South Africa southern species specimens Stratigraphic range studied Sundays River Formation surface sutures Tappan Uitenhage upper usually ventral weakly whorl wide Zone