Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 193
... umbilical walls . Well - developed primaries terminate in small but distinct bullae on the umbilical shoulder , from which arise bundles . of fine , prorsiradiate secondaries which very occasionally bifurcate at about mid - flank , with ...
... umbilical walls . Well - developed primaries terminate in small but distinct bullae on the umbilical shoulder , from which arise bundles . of fine , prorsiradiate secondaries which very occasionally bifurcate at about mid - flank , with ...
Page 264
... umbilical bullae on the inner whorls , so that about 80 per cent of the preceding whorl is covered , but becoming slightly more evolute as the umbilical seam egresses on the adoral portion of the body chamber . Conse- quently , a short ...
... umbilical bullae on the inner whorls , so that about 80 per cent of the preceding whorl is covered , but becoming slightly more evolute as the umbilical seam egresses on the adoral portion of the body chamber . Conse- quently , a short ...
Page 329
... 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 with about 20 umbilical ...
... 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 with about 20 umbilical ...
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