Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 231
... shows no sign of parabolae , an impression of an inner whorl corresponding to a diameter of about 60 mm shows a deep , oblique parabola , and at this growth stage would appear to be almost identical to the holotype of O. modderensis ...
... shows no sign of parabolae , an impression of an inner whorl corresponding to a diameter of about 60 mm shows a deep , oblique parabola , and at this growth stage would appear to be almost identical to the holotype of O. modderensis ...
Page 329
... shows marked egression of the umbilical seam on the outer ( ? final ) whorl so that about 40 per cent of the preceding whorl is visible in the umbilicus . The umbilical wall is steep on the inner whorls . The final whorl is ornamented ...
... shows marked egression of the umbilical seam on the outer ( ? final ) whorl so that about 40 per cent of the preceding whorl is visible in the umbilicus . The umbilical wall is steep on the inner whorls . The final whorl is ornamented ...
Page 348
... shows simple straight , uniformly developed radial ribbing , with umbilical and lower ventrolateral swellings ( corresponding to the lateral tubercles on the adoral portion ) , although Spath ( 1930 : 152 ) thought this was possibly due ...
... shows simple straight , uniformly developed radial ribbing , with umbilical and lower ventrolateral swellings ( corresponding to the lateral tubercles on the adoral portion ) , although Spath ( 1930 : 152 ) thought this was possibly due ...
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