Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 127
Surface of test ornamented by fine , vertically aligned grooves , usually not too distinct , but occasionally more in evidence , in which case ... Differences in the surface ornamentation may be due to diagenetic corrosion of tests .
Surface of test ornamented by fine , vertically aligned grooves , usually not too distinct , but occasionally more in evidence , in which case ... Differences in the surface ornamentation may be due to diagenetic corrosion of tests .
Page 154
Ventral margin sub - rectangular to rounded in outline , ornamented with fine rounded ribs at its margins ... Sutures variably evident beneath the surface ornamentation , generally flush , but often becoming weakly depressed between the ...
Ventral margin sub - rectangular to rounded in outline , ornamented with fine rounded ribs at its margins ... Sutures variably evident beneath the surface ornamentation , generally flush , but often becoming weakly depressed between the ...
Page 155
on is ornamented with ribs than is the case with C. austroafricana . ... true examples of C. sparsicostata from Speeton are intensely ornamented : C. austroafricana is distinguished by a much lighter , more delicate ornamentation .
on is ornamented with ribs than is the case with C. austroafricana . ... true examples of C. sparsicostata from Speeton are intensely ornamented : C. austroafricana is distinguished by a much lighter , more delicate ornamentation .
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Common terms and phrases
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
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 Volume 106 of Annals of the South African Museum, South African Museum Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 2003 |
| Original from | the University of California |
| Digitized | 8 Dec 2009 |
| ISBN | 0868131784, 9780868131788 |
| Export Citation | BiBTeX EndNote RefMan |