Annals of the South African MuseumThe Museum, 1989 - Natural history |
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Page 241
... SYSTEMATIC POSITION OF THE GENUS HYPENGONOCERAS SPATH , 1924 By HERBERT CHRISTIAN KLINGER Department of Invertebrate Palaeontology , South African Museum , Cape Town & WILLIAM James Kennedy Geological Collections , University Museum ...
... SYSTEMATIC POSITION OF THE GENUS HYPENGONOCERAS SPATH , 1924 By HERBERT CHRISTIAN KLINGER Department of Invertebrate Palaeontology , South African Museum , Cape Town & WILLIAM James Kennedy Geological Collections , University Museum ...
Page 242
Systematic palaeontology .. Genus Placenticeras Placenticeras kaffrarium Etheridge , 1904 . Genus Hoplitoplacenticeras .. Hoplitoplacenticeras howarthi Collignon , 1970 Speculations on intraspecific variation in Placenticeratidae The ...
Systematic palaeontology .. Genus Placenticeras Placenticeras kaffrarium Etheridge , 1904 . Genus Hoplitoplacenticeras .. Hoplitoplacenticeras howarthi Collignon , 1970 Speculations on intraspecific variation in Placenticeratidae The ...
Page 365
... systematic placing of the former genus . Again we suspect that this systematic grouping had been influenced more by stratigraphy than natural affinities . Being of Lower to Middle Albian age , Parengonoceras was more naturally placed in ...
... systematic placing of the former genus . Again we suspect that this systematic grouping had been influenced more by stratigraphy than natural affinities . Being of Lower to Middle Albian age , Parengonoceras was more naturally placed in ...
Contents
List of species referred to Placenticeratidae | 384 |
Acknowledgements | 391 |
241 | 393 |
Copyright | |
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Common terms and phrases
9 figs adult adventive lobe Albian ammonite Anaplacenticeras body chamber Campanian of Germany Cenomanian Cenomanian of Central Cenomanian-Turonian of India Central Asia Chiplonkar & Ghare Cobban Collignon 1965a compressed Coniacian diameter dimorphism Engonoceratidae flanks forms fritschi de Grossouvre genus Gissarites Grossouvre Hengestites holotype Hoplitidae Hoplitoplacenticeras Hypengonoceras decaryi Collignon Iljin incision India Chiplonkar intraspecific variation Karamaites Kennedy & Wright Klinger Knemiceras Kopetdagites Kossmat lateral lobe lateral ornament lateral tubercles lectotype Luppov Maastrichtian Macroconch Madagascar Metaplacenticeras Michailova Microconch with type ontogenetic ontogenetic changes ontogenetic stage Parengonoceras Paulcke phragmocone Placenticeras fritschi Placenticeras kaffrarium Etheridge Placenticeras polyopsis Dujardin Placenticeras syrtale Morton Placenticeratidae Proplacenticeras Reeside ribs rounded Ruzhentsev Santonian Santonian of France scaphitoid uncoiling Schlüter shell Spath Stantonoceras subkaffrarium sutural ontogeny suture line text-fig ticeras Turonian type 4 ornament Type species umbilical edge umbilical tubercles umbilical wall umbilicus Upper Albian Upper Campanian Upper Cretaceous ventral clavi whorl section Wiedmann Zululand