Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 25
... later in age than the uppermost Sundays River Formation , later than Hauterivian . Although Lingulina mngazanaensis sp . nov . ( as Lingulina sp . B ) , Lenticulina nodosa ( Reuss ) , Astacolus microdictyotos Espitalié & Sigal , and ...
... later in age than the uppermost Sundays River Formation , later than Hauterivian . Although Lingulina mngazanaensis sp . nov . ( as Lingulina sp . B ) , Lenticulina nodosa ( Reuss ) , Astacolus microdictyotos Espitalié & Sigal , and ...
Page 26
... later Early Barremian ( post 6Atl ) in the southern offshore Pletmos and Bredasdorp basins contain the earliest planktonics seen in South Africa : Gorbachikella kugleri ( Bolli ) and , less commonly , Praehedbergella sigali ( Moullade ) ...
... later Early Barremian ( post 6Atl ) in the southern offshore Pletmos and Bredasdorp basins contain the earliest planktonics seen in South Africa : Gorbachikella kugleri ( Bolli ) and , less commonly , Praehedbergella sigali ( Moullade ) ...
Page 107
... later part of the slightly compressed , conical test , with weakly depressed , horizontally aligned sutures and convex septa . Test consists of an initial more conical portion and a later less rapidly widening part . Canaliculi present ...
... later part of the slightly compressed , conical test , with weakly depressed , horizontally aligned sutures and convex septa . Test consists of an initial more conical portion and a later less rapidly widening part . Canaliculi present ...
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