Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 173
... primaries and a coronote whorl section throughout ontogeny . Adults homoeomorph Simbirskites . Age : Upper Valanginian - Lower Hauterivian . O. ( Parastieria ) . Based upon a lappeted microconch species . Inner whorls with numerous ...
... primaries and a coronote whorl section throughout ontogeny . Adults homoeomorph Simbirskites . Age : Upper Valanginian - Lower Hauterivian . O. ( Parastieria ) . Based upon a lappeted microconch species . Inner whorls with numerous ...
Page 213
... primaries per half whorl which 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 ...
... primaries per half whorl which 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 ...
Page 312
... primaries begin at the umbilical seam and pass backwards ( rursiradiate ) to 19 bullae on the sharp umbilical shoulder . On the outer whorl the bullae become swollen and distinctly rounded and the primaries are effaced ( on the internal ...
... primaries begin at the umbilical seam and pass backwards ( rursiradiate ) to 19 bullae on the sharp umbilical shoulder . On the outer whorl the bullae become swollen and distinctly rounded and the primaries are effaced ( on the internal ...
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