Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 173
... prominent primary ribs . Ventral tubercles ( ? dimorphic ) may he present on the body chamber . Age : Upper Valanginian . Jeanthieuloyites . Similar to Olcostephanus , but with long , radial , nontuberculate primaries extending to mid ...
... prominent primary ribs . Ventral tubercles ( ? dimorphic ) may he present on the body chamber . Age : Upper Valanginian . Jeanthieuloyites . Similar to Olcostephanus , but with long , radial , nontuberculate primaries extending to mid ...
Page 192
... prominent ribs , the adapical one of which is prominently flared . The adoral rib is provided with well - developed , slightly converging lateral lappets . There are between 8-10 secondaries per 3 bullae on the final whorl with between ...
... prominent ribs , the adapical one of which is prominently flared . The adoral rib is provided with well - developed , slightly converging lateral lappets . There are between 8-10 secondaries per 3 bullae on the final whorl with between ...
Page 245
... prominent umbilical bullae on the final whorl give rise to 4-5 radial to prorsiradiate , fine , flexuous , secondary ribs , occasionally bifurcating or with intercalatories , and with 2-5 intercalated ribs between bundles . Parabolae ...
... prominent umbilical bullae on the final whorl give rise to 4-5 radial to prorsiradiate , fine , flexuous , secondary ribs , occasionally bifurcating or with intercalatories , and with 2-5 intercalated ribs between bundles . Parabolae ...
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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