Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 82
... lobate throughout , very broadly rounded in cross - section . Test subglobular in overall shape . Test wall composed of moderately sized , often rather platy quartz grains with moderate cement . This morphotype differs from ...
... lobate throughout , very broadly rounded in cross - section . Test subglobular in overall shape . Test wall composed of moderately sized , often rather platy quartz grains with moderate cement . This morphotype differs from ...
Page 94
... lobate periphery . The illustrations of T. bartensteini given by Said & Barakat ( 1958 ) are not too clear , but this name may prove to be available for Jurassic Trochammina globigeriniformis ' tests . The similar T. canningensis Tappan ...
... lobate periphery . The illustrations of T. bartensteini given by Said & Barakat ( 1958 ) are not too clear , but this name may prove to be available for Jurassic Trochammina globigeriniformis ' tests . The similar T. canningensis Tappan ...
Page 188
... lobate in the final part of the test , and ventral margin varying from irregular to lobate in outline . Chambers arranged in an initial half - whorl of up to four , followed by an arcuate sequence of up to eight . The degree to which ...
... lobate in the final part of the test , and ventral margin varying from irregular to lobate in outline . Chambers arranged in an initial half - whorl of up to four , followed by an arcuate sequence of up to eight . The degree to which ...
Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
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Agrio Formation Albian ammonites apertural view Aptian Argentina assemblages Astacolus Barremian Bartenstein & Brand Berriasian Bettenstaedt borehole borehole PB-A1 Citharina Cliff outcrop sample Coega Coega Brick Pits core Dentalina DIEGO Dorothia dorsal margin down-hole appearance Early Barremian Early Cretaceous Early Hauterivian environments Eoguttulina Epistomina caracolla Espitalié & Sigal feet VII Figure final chamber final whorl foraminifera genus Graaff-Reinet grey claystone Haplophragmoides sp hofkeri Holotype illustrated Kimmeridgian Kirkwood Formation Lagena Late Hauterivian Biozone Late Valanginian Biozone lignite Lingulina Loeblich & Tappan Magniez-Jannin 1975 Majunga Basin Masiuk & Viña McLachlan Mngazana Basin Musacchio Nodosaria occur offshore ornamentation ostracods Paratype Planularia Pletmos Basin Portlandian rare lignite Reinholdella valendisensis Remarks Reuss Río Mayer Roemer shallow borehole shelf shell side view silty SOEKOR negative South Africa southern species specimens Stratigraphic range Sundays River Formation sutures test periphery test wall Trochammina Uitenhage Uitenhage to Graaff-Reinet Vaginulinopsis weakly Zoetgeneugd Cliff outcrop