Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 24
a Foraminifera assemblages of about the same age have been described from the Katterfeld Formation of Chubut , Argentina ( Masiuk & Viña 1986b , 1987 ) , dated as Early Hauterivian , and from the Agrio Formation of Neuquén , Argentina ...
a Foraminifera assemblages of about the same age have been described from the Katterfeld Formation of Chubut , Argentina ( Masiuk & Viña 1986b , 1987 ) , dated as Early Hauterivian , and from the Agrio Formation of Neuquén , Argentina ...
Page 43
Partschiceras rogersi is also known from the Early Valanginian and Early Hauterivian of Madagascar , and Cooper ( 1981 ) concluded that it was a relatively long - ranging species . In the case of Bochianites africanus , the genus is ...
Partschiceras rogersi is also known from the Early Valanginian and Early Hauterivian of Madagascar , and Cooper ( 1981 ) concluded that it was a relatively long - ranging species . In the case of Bochianites africanus , the genus is ...
Page 141
1976a ) , early Late Valanginian to Late Hauterivian ( Biozones D to ? II ) in Pletmos Basin borehole PB - A1 , and in the earliest Late Valanginian ( Biozone D ) Brenton Formation of the southern Cape , South Africa ( McLachlan et al .
1976a ) , early Late Valanginian to Late Hauterivian ( Biozones D to ? II ) in Pletmos Basin borehole PB - A1 , and in the earliest Late Valanginian ( Biozone D ) Brenton Formation of the southern Cape , South Africa ( McLachlan et al .
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abundant Albian Algoa Basin Ammobaculites apertural appears Argentina assemblages Astacolus Barremian Bartenstein & Brand base Biozone Bb borehole chambers Clay close coil Colchester core Cretaceous depressed described distinct Dorothia dorsal Early Hauterivian environments Epistomina Espitalié & Sigal examples facing feet Figure final foraminifera genus grey claystone Haplophragmoides Holotype illustrated inflated initial interval Kimmeridgian Lagena Late Hauterivian Biozone Late Valanginian Biozone later Lenticulina lignite Lingulina localities lower Magniez-Jannin margin Masiuk McLachlan McLachlan et al middle Mngazana Nodosaria Occasional occur offshore ornamentation outcrop sample Paratype periphery Pletmos possess present probably rare referred Reinholdella Remarks Reuss ribs Roemer rounded seen shallow shelf shell side view similar SOEKOR South Africa southern species specimens Stratigraphic range studied Sundays River Formation surface sutures Tappan Uitenhage upper usually ventral weakly whorl wide Zone