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
... whorl . Test periphery distinctly 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 ...
... whorl . Test periphery distinctly 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 ...
Page 95
... whorl , a wide depressed umbilicus , straight or weakly curved , radiate , depressed sutures on the ventral side and oblique , backward - curving , depressed sutures on the dorsal side . Tests similar to the Sundays River shells occur ...
... whorl , a wide depressed umbilicus , straight or weakly curved , radiate , depressed sutures on the ventral side and oblique , backward - curving , depressed sutures on the dorsal side . Tests similar to the Sundays River shells occur ...
Page 246
... whorl , ventral sutures flush to depressed , dorsal sutures flush to weakly raised , limbate , and an internal tuberculate ornamentation developed over the floor of the final chamber between the internal partition and the aperture . NO ...
... whorl , ventral sutures flush to depressed , dorsal sutures flush to weakly raised , limbate , and an internal tuberculate ornamentation developed over the floor of the final chamber between the internal partition and the aperture . NO ...
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