Annals of the South African MuseumThe Museum, 1989 - Natural history |
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Page 357
... Metaplacenticeras in terms of the type species is easy . Metaplacenticeras was introduced by Spath ( 1926 : 79 ) in cryptic manner ' Metaplacenticeras gen . nov . , proposed for Placenticeras pacificum J. P. Smith ( “ Development and ...
... Metaplacenticeras in terms of the type species is easy . Metaplacenticeras was introduced by Spath ( 1926 : 79 ) in cryptic manner ' Metaplacenticeras gen . nov . , proposed for Placenticeras pacificum J. P. Smith ( “ Development and ...
Page 358
... Metaplacenticeras . For the present it seems advisable to retain the two genera , though fully aware of the range of overlap . Matsumoto ( 1984 : 20-21 ) recently discussed the genus Metaplacenticeras and alleged that a true adventive ...
... Metaplacenticeras . For the present it seems advisable to retain the two genera , though fully aware of the range of overlap . Matsumoto ( 1984 : 20-21 ) recently discussed the genus Metaplacenticeras and alleged that a true adventive ...
Page 391
... Metaplacenticeras Spath , 1926 Metaplacenticeras ? bowersi Anderson , 1958 ( p . 255 , pl . 70 ( figs 3-4 ) ) . Upper Campanian of California . Metaplacenticeras californicum ( Anderson , 1902 ) ( p . 78 , pl . 8 ( figs 173–177 ) ...
... Metaplacenticeras Spath , 1926 Metaplacenticeras ? bowersi Anderson , 1958 ( p . 255 , pl . 70 ( figs 3-4 ) ) . Upper Campanian of California . Metaplacenticeras californicum ( Anderson , 1902 ) ( p . 78 , pl . 8 ( figs 173–177 ) ...
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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