Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 107
Test periphery lobate in the later part of the test , weakly arched in the initial part ; very broadly rounded , subcircular in cross - section . Test slightly compressed , so that final portion is usually distinctly wider than deep .
Test periphery lobate in the later part of the test , weakly arched in the initial part ; very broadly rounded , subcircular in cross - section . Test slightly compressed , so that final portion is usually distinctly wider than deep .
Page 134
Equatorial periphery of test acutely rounded throughout , never carinate or angled , although a thick flange with a rounded margin is often developed along the dorsal periphery in the early uncoiled portion of adult tests .
Equatorial periphery of test acutely rounded throughout , never carinate or angled , although a thick flange with a rounded margin is often developed along the dorsal periphery in the early uncoiled portion of adult tests .
Page 170
Axial periphery sub - circular to ovate , continuous . Equatorial periphery acutely angled and with a narrow - bladed keel for much of its length on the dorsal margin , and flat , rectangular on the ventral margin .
Axial periphery sub - circular to ovate , continuous . Equatorial periphery acutely angled and with a narrow - bladed keel for much of its length on the dorsal margin , and flat , rectangular on the ventral margin .
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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 |