93 pages matching editions:ISBN0868131741 in this book
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adoral portion Ammonites arise bundles atherstoni Sharpe Baumberger Besairie Bochianites body chamber Bose Cantu Chapa Cape Province Cistecephalus compressed d'Orbigny Decapoda densicostatus dentary depressed whorl section diameter Dicynodon Diictodon Distoloceras dorsal egression fauna figured final whorl Formation of northern genus Graaff-Reinet growth stages Hauterivian holotype Horizon Cistecephalus Zone Imlay inner whorls intercalated ribs interpterygoid Karakasch Kilian Kingoria lappets lateral views lectotype Lower Hauterivian macroconch margin modderensis monotypy northern Mexico Olcostephanus Olcostephanus Oudenodon outer whorl palatal parabolae Parabolae are lacking peristome premaxilla primary ribs prominent parabolae prorsiradiate secondaries ribs between bundles Riccardi rogersi Kitchin rursiradiate primaries sayni secondary ribs sexual dimorphism slightly South African Museum Spath species sphaeroidalis Spath spines spinosissimum Subastieria Sundays River Sundays River Formation synonym Taraises Formation Thieuloy Type specimen Skull Tzankov Uitenhage uitenhagensis umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilicus Upper Valanginian Valanginian venter Ventral and lateral ventral views Wegner