Annals of the South African MuseumThe Museum, 1989 - Natural history |
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Page 244
... placenta , nor between intercalare , stantoni , pseudo- placenta , and whitfieldi . As a matter of fact there is no real break , such as is usually supposed to establish a species , between P. guadalupae and the extreme form of ...
... placenta , nor between intercalare , stantoni , pseudo- placenta , and whitfieldi . As a matter of fact there is no real break , such as is usually supposed to establish a species , between P. guadalupae and the extreme form of ...
Page 267
... placenta DeKay , 1828 , by subsequent designation by Meek ( 1876 : 462 ) . Diagnosis Extremely variable , generally compressed and involute . Earliest stages with rounded whorl section soon followed by typical compressed , high ...
... placenta DeKay , 1828 , by subsequent designation by Meek ( 1876 : 462 ) . Diagnosis Extremely variable , generally compressed and involute . Earliest stages with rounded whorl section soon followed by typical compressed , high ...
Page 387
... placenta ( DeKay , 1828 ) ( p . 278 , pl . 5 ( fig . 2 ) ) . Upper Cretaceous , New Jersey , Alabama , U.S.A. , Turkestan ( Archanguelski 1916 ) . Placenticeras planum Hyatt , 1903 ( p . 202 , pl . 33 ( figs 2-4 ) ) . Upper Cretaceous ...
... placenta ( DeKay , 1828 ) ( p . 278 , pl . 5 ( fig . 2 ) ) . Upper Cretaceous , New Jersey , Alabama , U.S.A. , Turkestan ( Archanguelski 1916 ) . Placenticeras planum Hyatt , 1903 ( p . 202 , pl . 33 ( figs 2-4 ) ) . Upper Cretaceous ...
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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