Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 160
... close to the test periphery . These ribs never extend for more than one chamber , are low and rounded in section , and may merge with the sutural ribs on occasion . Proloculus ornamented with one short , vertically aligned rib on each ...
... close to the test periphery . These ribs never extend for more than one chamber , are low and rounded in section , and may merge with the sutural ribs on occasion . Proloculus ornamented with one short , vertically aligned rib on each ...
Page 188
... close to the dorsal and ventral margins . Occasional specimens exhibit short , sharply defined , vertically aligned ribs close to the dorsal margin , which often extend from one sutural rib vertically to the dorsal margin of the next ...
... close to the dorsal and ventral margins . Occasional specimens exhibit short , sharply defined , vertically aligned ribs close to the dorsal margin , which often extend from one sutural rib vertically to the dorsal margin of the next ...
Page 245
... close - up of foraminal area of E , F54 . × 646. G. Paratype , SAM - PQ - MF1629 , showing tubercles on floor of final chamber , AL 1/69 , 790 feet ( III ) , F222 . × 227. H. SAM - PQ - MF1629 , close - up of perforated tubercle of G ...
... close - up of foraminal area of E , F54 . × 646. G. Paratype , SAM - PQ - MF1629 , showing tubercles on floor of final chamber , AL 1/69 , 790 feet ( III ) , F222 . × 227. H. SAM - PQ - MF1629 , close - up of perforated tubercle of G ...
Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
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Common terms and phrases
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