Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 151
... represent a variety of H. ( Astieria ) psilostomus Neumayr & Uhlig . In 1924 Spath erected the new genus Rogersites , type species R. modderensis ( Kitchin ) , to include all the Olcostephaninae from the Uitenhage Group with- out ...
... represent a variety of H. ( Astieria ) psilostomus Neumayr & Uhlig . In 1924 Spath erected the new genus Rogersites , type species R. modderensis ( Kitchin ) , to include all the Olcostephaninae from the Uitenhage Group with- out ...
Page 158
... represent different growth stages comparison is difficult . The adapical portion of Karsten's species shows the same thread - like ribbing as B. glaber , but adorally it coarsens considerably to resemble B. africanus . Whilst there are ...
... represent different growth stages comparison is difficult . The adapical portion of Karsten's species shows the same thread - like ribbing as B. glaber , but adorally it coarsens considerably to resemble B. africanus . Whilst there are ...
Page 174
... represent the females and the smaller forms the males . Within recent years much attention has been given to the phenomenon of sexual dimorphism within fossil Cephalopoda ( Callomon 1957 , 1963 ; Makowski 1962a , 1962b ; Westermann 1964 ...
... represent the females and the smaller forms the males . Within recent years much attention has been given to the phenomenon of sexual dimorphism within fossil Cephalopoda ( Callomon 1957 , 1963 ; Makowski 1962a , 1962b ; Westermann 1964 ...
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Common terms and phrases
abbreviations adoral portion Africa Ammonites Amphipoda Astieria atherstoni Sharpe Barnard Baumberger Besairie bicuspidata bifurcate Bochianites body chamber Böse Broom Cantu Chapa Cape Province Cape Town carapace Cistecephalus Collignon compressed Coxa Crustacea d'Orbigny Decapoda densicostatus dentary diameter Dicynodon Diictodon dimorphism distal Distoloceras dorsal fauna figured final whorl forms genera genus growth stages Hauterivian holotype Imlay inflated inner whorls intercalated ribs Kingoria lateral views lectotype macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl parabolae Paramelita paratypes Peponocephala Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi Rogersites rursiradiate primaries secondary ribs segment setae slightly South African Museum Spath species spines Subastieria Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Type specimen Skull Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter Ventral and lateral ventral views whorl section