90 pages matching editions:ISBN0868131741 in this book
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Revision of the Late Valanginian Cephalopoda from the Sundays River Formation
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abbreviations Africa appears arise Astieria atherstoni Sharpe authors baini Barnard Baumberger bearing become body body chamber Broom bundles close collected compressed considered described Description designated diameter Dicynodon differs Diictodon dimorphism distinguished dorsal example Family Feresa figured final Formation forms genera genus give headings holotype illustrations Imlay included inflated inner whorls intercalated ribs Kitchin known lacking lateral views length Locality lower macroconch male margin material narrow Note Olcostephanus Olcostephanus original outer whorl parabolae Pereopod peristome placed portion posterior present primaries prominent recorded references represent Rogersites rostrum rounded rursiradiate secondary ribs segment separates Sharpe short shows similar single slightly Smith South African South African Museum Spath species spines stages strongly Sundays River synonym tables terminate tubercles umbilical bullae umbilical seam umbilical shoulder umbilicus Upper Valanginian Vema venter ventral whorl section Zone