Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 213
... rursiradiate primaries per half whorl which terminate in bullae on the umbilical shoulder . From these arise bundles of 4-6 , fine , prorsiradiate secondaries with intercalated ribs between bundles , so that there are 36 secondaries ...
... rursiradiate primaries per half whorl which terminate in bullae on the umbilical shoulder . From these arise bundles of 4-6 , fine , prorsiradiate secondaries with intercalated ribs between bundles , so that there are 36 secondaries ...
Page 302
... rursiradiate primaries terminating in sharp bullae , from which arise 2-4 , commonly 3 , prorsiradiate , slightly flexuous , secondaries . Prominent deep parabolae present . Possibly the inner whorls of a macroconch . Description Two ...
... rursiradiate primaries terminating in sharp bullae , from which arise 2-4 , commonly 3 , prorsiradiate , slightly flexuous , secondaries . Prominent deep parabolae present . Possibly the inner whorls of a macroconch . Description Two ...
Page 307
... rursiradiate primaries terminate in 19 bullae on the umbilical shoulder . On the final whorl the primaries become very weak , disappearing entirely on the internal mould , and the tubercles become swollen and rounded , as well as fewer ...
... rursiradiate primaries terminate in 19 bullae on the umbilical shoulder . On the final whorl the primaries become very weak , disappearing entirely on the internal mould , and the tubercles become swollen and rounded , as well as fewer ...
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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