Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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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 the intervening surfaces of the test have a rope - like appearance . Differences in the surface ...
... Surface of test ornamented by fine , vertically aligned grooves , usually not too distinct , but occasionally more in evidence , in which case the intervening surfaces of the test have a rope - like appearance . Differences in the surface ...
Page 148
... surface ornamentation of few , often rather irregular ribs is intense , the ribs themselves being markedly bladed . Chambers are weakly inflated , particularly in the final part of the test ; sutures , which are not clear without ...
... surface ornamentation of few , often rather irregular ribs is intense , the ribs themselves being markedly bladed . Chambers are weakly inflated , particularly in the final part of the test ; sutures , which are not clear without ...
Page 154
... surface ornamentation , generally flush , but often becoming weakly depressed between the last few chambers , broad and evenly curved in form . Aperture terminal , close to the dorsal margin of the test ; in form a narrow elongate ...
... surface ornamentation , generally flush , but often becoming weakly depressed between the last few chambers , broad and evenly curved in form . Aperture terminal , close to the dorsal margin of the test ; in form a narrow elongate ...
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