Annals of the South African Museum, Volume 83

abbreviations Africa Ammonites Amphipoda antenna Astieria atherstoni Sharpe attenuata author's name baini baini baini Sharpe Barnard Baumberger Besairie bicuspidata blowhole body chamber Böse Broom Bryden Cape Province Cape Town carapace Coxa Crustacea Decapoda dentary diameter Dicynodon Diictodon dimorphism distal dorsal Feresa figures flipper genera genus gnathopod Hauterivian holotype Hout Bay Imlay inflated inner whorls intercalated ribs Kingoria Kitchin lateral views length lobe macroconch male margin material Maxilla Maxilliped Nishiwaki Olcostephanus Olcostephanus Oudenodon outer whorl parabolae Paramelita paratypes Peponocephala electra pereiopods peristome posterior primary ribs prorsiradiate secondaries recorded ribs between bundles Rogersites rostrum secondary ribs segment setae South African Museum Spath species spines Sternophysinx SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym terminate 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 whale whorl section 우우