Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 173
... inflated , like Saynoceras , but with more , 2-4 , secondaries per tubercle , and with a smooth ventral furrow . Age : Lower Hauterivian . O. ( Olcostephanus ) . Compressed to inflated forms , usually with primary ribs terminating in ...
... inflated , like Saynoceras , but with more , 2-4 , secondaries per tubercle , and with a smooth ventral furrow . Age : Lower Hauterivian . O. ( Olcostephanus ) . Compressed to inflated forms , usually with primary ribs terminating in ...
Page 303
... inflated form with a deep , narrow umbilicus . Rursiradiate primaries terminate on the umbilical shoulder in bullae , of which there are about 8 per half whorl . There are generally 3 prorsiradiate secondaries per bulla , with an ...
... inflated form with a deep , narrow umbilicus . Rursiradiate primaries terminate on the umbilical shoulder in bullae , of which there are about 8 per half whorl . There are generally 3 prorsiradiate secondaries per bulla , with an ...
Page 312
... inflated , globose cadicone with a narrow umbilicus and steep umbilical walls . The whorls , involute up to the umbilical bullae on the inner whorls , become rather evolute on the adoral portion of the outer whorl . Distinct primaries ...
... inflated , globose cadicone with a narrow umbilicus and steep umbilical walls . The whorls , involute up to the umbilical bullae on the inner whorls , become rather evolute on the adoral portion of the outer whorl . Distinct primaries ...
Contents
DECAPOD AND ISOPOD CRUSTACEANS FROM THE WEST COAST | 14 |
Zoogeographic discussion | 29 |
INTRODUCTION | 32 |
Copyright | |
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Common terms and phrases
abbreviated Africa Ammonites Amphipoda antenna Astieria atherstoni Sharpe author's name baini baini baini Sharpe Barnard Baumberger Besairie bicuspidata body chamber Böse Broom Bryden Cape Province Cape Town carapace Coxa Crustacea Decapoda dentary diameter Dicynodon Diictodon dimorphism distal dorsal fauna figures genera genus gnathopod Hauterivian holotype Hout Bay Imlay inflated inner whorls intercalated ribs Kensley Kingoria Kitchin lateral views length lobe macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl ovig parabolae Paramelita paratypes peduncle Peponocephala electra Pereopod peristome Pleopod posterior primary ribs prorsiradiate secondaries recorded ribs between bundles Rogersites rostrum Seamount secondary ribs segment setae South African Museum Spath species spines spinules Sternophysinx SUID-AFRIKAANSE MUSEUM Sundays River Sundays River Formation synonym terminal 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 whorl section