Annals of the South African Museum, Volume 106 |
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Page 83
Subfamily Lituolinae de Blainville, 1825 Genus Ammobaculites Cushman, 1910
Remarks Similar comments to those given for Haplophragmoides are valid also
for Ammobaculites, especially in the case of the smaller, thin-walled species.
Subfamily Lituolinae de Blainville, 1825 Genus Ammobaculites Cushman, 1910
Remarks Similar comments to those given for Haplophragmoides are valid also
for Ammobaculites, especially in the case of the smaller, thin-walled species.
Page 85
There appears to be confusion in the literature between the two genera
Ammobaculites and Haplophragmium, particularly regarding the morphologically
similar Ammobaculites subaequalis and Haplophragmium aequale (Roemer).
The latter ...
There appears to be confusion in the literature between the two genera
Ammobaculites and Haplophragmium, particularly regarding the morphologically
similar Ammobaculites subaequalis and Haplophragmium aequale (Roemer).
The latter ...
Page 86
Ammobaculites subaequalis is absent in reduced-salinity environments.
Ammobaculites sp. A Fig. 30E Remarks Tests of Ammobaculites with two to three
visible chambers in the initial coil, followed by up to five rectilinear chambers that
are ...
Ammobaculites subaequalis is absent in reduced-salinity environments.
Ammobaculites sp. A Fig. 30E Remarks Tests of Ammobaculites with two to three
visible chambers in the initial coil, followed by up to five rectilinear chambers that
are ...
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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 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