Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 196
... Taraises Formation of northern Mexico ( after Imlay 1937 ) . x 1 . Fig . 36. Olcostephanus ( Olcostephanus ) atherstoni ( Sharpe ) . The holotype of Taraisites neoleonense Cantu Chapa from the Taraises Formation of northern Mexico ...
... Taraises Formation of northern Mexico ( after Imlay 1937 ) . x 1 . Fig . 36. Olcostephanus ( Olcostephanus ) atherstoni ( Sharpe ) . The holotype of Taraisites neoleonense Cantu Chapa from the Taraises Formation of northern Mexico ...
Page 232
... Taraises Formation of northern Mexico ( after Imlay 1938 ) . × 1 . venter , whereas the whorl section of O. baini baini ( ♂ ) is almost semicircular . Kitchin ( 1908 ) considered the weak umbilical tubercles of O. rogersi important in ...
... Taraises Formation of northern Mexico ( after Imlay 1938 ) . × 1 . venter , whereas the whorl section of O. baini baini ( ♂ ) is almost semicircular . Kitchin ( 1908 ) considered the weak umbilical tubercles of O. rogersi important in ...
Page 262
... Taraises Formation of northern Mexico ( after Imlay 1937 ) . × 1 . Fig . 113. Olcostephanus ( Olcostephanus ) bangei ( Böse ) ( 9 ) . The holotype of Rogersites paucicostatus Imlay from the Taraises Formation of northern Mexico ( after ...
... Taraises Formation of northern Mexico ( after Imlay 1937 ) . × 1 . Fig . 113. Olcostephanus ( Olcostephanus ) bangei ( Böse ) ( 9 ) . The holotype of Rogersites paucicostatus Imlay from the Taraises Formation of northern Mexico ( after ...
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Common terms and phrases
abbreviations adoral portion Africa Ammonites Amphipoda Astieria atherstoni Sharpe Barnard Baumberger Besairie bicuspidata bifurcate Bochianites body chamber Böse Broom Cantu Chapa Cape Province Cape Town carapace Cistecephalus Collignon compressed Coxa Crustacea d'Orbigny Decapoda densicostatus dentary diameter Dicynodon Diictodon dimorphism distal Distoloceras dorsal fauna figured final whorl forms genera genus growth stages Hauterivian holotype Imlay inflated inner whorls intercalated ribs Kingoria lateral views lectotype macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl parabolae Paramelita paratypes Peponocephala Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi RMT RMT Rogersites rursiradiate primaries secondary ribs segment setae Skull slightly South African Museum Spath species spines Subastieria SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter ventral views whorl section