Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 207
... bifurcates . Its strongly compressed form separates Imlay's ( 1938 ) species from O. atherstoni . Olcostephanus ... bifurcate near midflank . There are occasional intercalatories between bundles . Parabolae lacking . This species ...
... bifurcates . Its strongly compressed form separates Imlay's ( 1938 ) species from O. atherstoni . Olcostephanus ... bifurcate near midflank . There are occasional intercalatories between bundles . Parabolae lacking . This species ...
Page 256
... bifurcate and should , therefore , be included in the subgenus Jeannoticeras , as should O. colorinensis Imlay ( Fig . 105 ) . It is doubtful whether more than one species is involved in the above list . Böse ( 1923 ) created Hoplites ...
... bifurcate and should , therefore , be included in the subgenus Jeannoticeras , as should O. colorinensis Imlay ( Fig . 105 ) . It is doubtful whether more than one species is involved in the above list . Böse ( 1923 ) created Hoplites ...
Page 345
... bifurcate or trifurcate . Occasionally only a single rib arises from the mid - lateral tubercle , in which case the latter is usually weakly developed , while there is also the odd intercalated rib . Ribbing is very weakly developed ...
... bifurcate or trifurcate . Occasionally only a single rib arises from the mid - lateral tubercle , in which case the latter is usually weakly developed , while there is also the odd intercalated rib . Ribbing is very weakly developed ...
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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