Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 106
... wide as high , whereas the later ones are one - and - a - half or two times higher than wide . The final pair of chambers is particularly high , and indicates some degree of overlap of the later chambers on earlier ones . Sutures ...
... wide as high , whereas the later ones are one - and - a - half or two times higher than wide . The final pair of chambers is particularly high , and indicates some degree of overlap of the later chambers on earlier ones . Sutures ...
Page 185
... wide to warrant it being regarded as a plexus . Later authors have often been rather uncertain as to how to treat the plexus . The references given above provide an indication of the difficulty that exists in attempting to establish the ...
... wide to warrant it being regarded as a plexus . Later authors have often been rather uncertain as to how to treat the plexus . The references given above provide an indication of the difficulty that exists in attempting to establish the ...
Page 188
... wide as high . Early chambers increase rapidly in width but less rapidly in height as added , but in later chambers the increase is much less . Sutures generally distinct , raised , limbate , varying from gently curved to almost curved ...
... wide as high . Early chambers increase rapidly in width but less rapidly in height as added , but in later chambers the increase is much less . Sutures generally distinct , raised , limbate , varying from gently curved to almost curved ...
Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
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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