Annals of the South African MuseumThe Museum, 1989 - Natural history |
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Page 269
Placenticeras subkaffrarium Spath , 1921 : 247 , pl . 21 ( fig . 2 ) . Besairié , 1930 , pl . 46 ( figs 2-3 ) . Placenticeras cf. subkaffrarium Spath , 1921 : 300 . Placenticeras whitefieldi [ sic ] Besairié , 1930 , pl . 46 ( fig . 1 ) ...
Placenticeras subkaffrarium Spath , 1921 : 247 , pl . 21 ( fig . 2 ) . Besairié , 1930 , pl . 46 ( figs 2-3 ) . Placenticeras cf. subkaffrarium Spath , 1921 : 300 . Placenticeras whitefieldi [ sic ] Besairié , 1930 , pl . 46 ( fig . 1 ) ...
Page 281
... subkaffrarium ' stage with umbilical tubercles and ventral clavi . x 1 . different rates , and stages are of different length in different individuals , or may be omitted . This leads to the presence of adult individuals resembling - in ...
... subkaffrarium ' stage with umbilical tubercles and ventral clavi . x 1 . different rates , and stages are of different length in different individuals , or may be omitted . This leads to the presence of adult individuals resembling - in ...
Page 344
... subkaffrarium Spath , 1921 , P. cf. subkaffrarium Spath , 1921 , Placenticeras n . sp . aff . kaffrarium Venzo , 1936 , merely represent different ontogenetic stages or intraspecific variants of P. kaffrarium . In view of the ...
... subkaffrarium Spath , 1921 , P. cf. subkaffrarium Spath , 1921 , Placenticeras n . sp . aff . kaffrarium Venzo , 1936 , merely represent different ontogenetic stages or intraspecific variants of P. kaffrarium . In view of the ...
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Common terms and phrases
adult adventive lobe Albian ammonites Atlantic Benson body chamber bottom depth Campanian Cape Town catch rates Cenomanian Central Asia Chiplonkar & Ghare compressed Coniacian continental diameter Diaphus dimorphism distribution Engonoceratidae fauna flanks genus Group holotype Hoplitoplacenticeras Hulley Hyatt Hypengonoceras decaryi Collignon Iljin intraspecific variation isobath Karamaites Kennedy & Wright Klinger Lampanyctodes hectoris lanternfish lateral lobe lateral ornament lateral tubercles Maastrichtian Macroconch Madagascar Marine Metaplacenticeras Michailova Microconch with type myctophid oceanic ontogenetic changes ontogeny Orange Shelf ostracod Parengonoceras Paulcke pelagic phragmocone Placenticeras kaffrarium Etheridge Placenticeras polyopsis Placenticeratidae polyopsis Dujardin Proplacenticeras pseudoceanic ribs saddle Santonian separated Shannon shell smooth South African Museum south-western Africa southern Benguela region Spath specimens specimens.h¹ stage stations subkaffrarium sutural ontogeny suture suture line SW Cape temperature text-fig Turonian Type species umbilical tubercles umbilicus umkwelanense Upper Albian Upper Campanian Upper Cretaceous upwelling venter ventral clavi Whatley whorl section Wiedmann Zululand