Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 147
... Formation prise 14 species and varieties of Olcostephanus , 2 species eac and Belemnopsis , and 1 species each of Neohoploceras , Eod Eutrephoceras . Sexual dimorphism is recognized within Olcos and importance of this phenomenon are ...
... Formation prise 14 species and varieties of Olcostephanus , 2 species eac and Belemnopsis , and 1 species each of Neohoploceras , Eod Eutrephoceras . Sexual dimorphism is recognized within Olcos and importance of this phenomenon are ...
Page 149
... Formation 2. Kirkwood Formation 1. Enon Formation With the break - up Gondwanaland , the depositional history of the area was initially one of rapid deposition of fluviatile sandstones and torrential conglomerates of the Enon Formation ...
... Formation 2. Kirkwood Formation 1. Enon Formation With the break - up Gondwanaland , the depositional history of the area was initially one of rapid deposition of fluviatile sandstones and torrential conglomerates of the Enon Formation ...
Page 352
... Formation in Mexico , considered by Imlay ( 1938 ) to be of Lower Hauterivian age , and may also be present in the Sundays River Formation . Fig . 202. Distoloceras cf. irregulare Imlay . Whorl section. Fig . 201. Distoloceras cf ...
... Formation in Mexico , considered by Imlay ( 1938 ) to be of Lower Hauterivian age , and may also be present in the Sundays River Formation . Fig . 202. Distoloceras cf. irregulare Imlay . Whorl section. Fig . 201. Distoloceras cf ...
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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 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 pereiopods Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi Rogersites rursiradiate primaries secondary ribs segment setae slightly South African Museum Spath species spines Subastieria SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Type specimen Skull Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter ventral views whorl section