Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 192
... terminate in prominent bullae on the umbilical shoulder of the final whorl , from which fasciculate bundles of commonly three , rarely only two , secondary ribs arise , generally with an intercalated rib between bundles . The coarse ...
... terminate in prominent bullae on the umbilical shoulder of the final whorl , from which fasciculate bundles of commonly three , rarely only two , secondary ribs arise , generally with an intercalated rib between bundles . The coarse ...
Page 213
... 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 across the venter per 7 umbilical bullae on the ...
... 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 across the venter per 7 umbilical bullae on the ...
Page 256
... terminate in weak bullae on the umbilical shoulder and generally give rise to 2 prorsiradiate secondaries , with occasional intercalatories between bundles . Parabolae are apparently lacking . This species clearly belongs to the ...
... terminate in weak bullae on the umbilical shoulder and generally give rise to 2 prorsiradiate secondaries , with occasional intercalatories between bundles . Parabolae are apparently lacking . This species clearly belongs to the ...
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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