Annals of the South African Museum, Volume 106 |
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Page 82
Five or six chambers in the final 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 ...
Five or six chambers in the final 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 ...
Page 95
All of these tests contain four or five inflated chambers in the final 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
...
All of these tests contain four or five inflated chambers in the final 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
...
Page 238
Most assemblages contain 90 to 95 per cent sinistrally coiled tests with from six-
and-a-half to seven-and-a-half chambers in the final whorl. Variation in the
morphology of the Epistomina caracolla s.l. tests can be seen in the test
periphery, ...
Most assemblages contain 90 to 95 per cent sinistrally coiled tests with from six-
and-a-half to seven-and-a-half chambers in the final whorl. Variation in the
morphology of the Epistomina caracolla s.l. tests can be seen in the test
periphery, ...
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Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
3 other sections not shown
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Common terms and phrases
Agrio Formation Albian Ammobaculites 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 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 Holotype illustrated initial coil Kielbowicz Kirkwood Formation Lagena Late Hauterivian Biozone Late Valanginian Biozone Lenticulina lignite Lingulina lobate Loeblich & Tappan Magniez-Jannin 1975 Majunga Basin Masiuk & Viña McLachlan Mngazana Basin Musacchio Nodosaria occur offshore ornamentation ostracods Paratype Planularia Pletmos Basin Portlandian proloculus Radiolaria rare lignite Remarks Reuss Río Mayer Roemer SAM–PQ-MF shallow borehole shell side view silty SOEKOR negative South Africa southern species specimens Stratigraphic range Sundays River Formation sutures test periphery test wall Uitenhage Uitenhage to Graaff-Reinet weakly Zoetgeneugd Cliff outcrop