Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 181
... parabolae are associated with halts in growth is evidenced by the change in ribbing direc- tion adorally , and often by a distinct change in inflation immediately after such a feature . Such parabolae are thus virtually identical to the ...
... parabolae are associated with halts in growth is evidenced by the change in ribbing direc- tion adorally , and often by a distinct change in inflation immediately after such a feature . Such parabolae are thus virtually identical to the ...
Page 281
... parabolae . This same phenomenon recurs in the Uitenhage fauna , the homoeomorphy being recognized by the differing rates of inflation of the two forms ( Fig . 118 ) . Olcostephanus douvillei ( Besairie ) ( Fig . 133 ) was erected for ...
... parabolae . This same phenomenon recurs in the Uitenhage fauna , the homoeomorphy being recognized by the differing rates of inflation of the two forms ( Fig . 118 ) . Olcostephanus douvillei ( Besairie ) ( Fig . 133 ) was erected for ...
Page 359
... parabolae , as do the immature growth stages of the corresponding macroconch . Not only are parabolae virtually identical , morphologically , to the peristome but they also have an identical mode of formation . Consequently , parabolae ...
... parabolae , as do the immature growth stages of the corresponding macroconch . Not only are parabolae virtually identical , morphologically , to the peristome but they also have an identical mode of formation . Consequently , parabolae ...
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