Annals of the South African MuseumThe Museum, 1989 - Natural history |
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Page 305
... umbilical and lateral ornament of typical ' kaffrarium ' type . The venter changes from flat and smooth to tuberculate to rounded and smooth , or directly from flat and ... UMBILICAL TUBERCLES Fig CRETACEOUS FAUNAS FROM SOUTH AFRICA 305.
... umbilical and lateral ornament of typical ' kaffrarium ' type . The venter changes from flat and smooth to tuberculate to rounded and smooth , or directly from flat and ... UMBILICAL TUBERCLES Fig CRETACEOUS FAUNAS FROM SOUTH AFRICA 305.
Page 405
... tubercles , one umbilical of strong pointed tubercles , one large , blunt , flat and latero - external disappearing on the body chamber ; the external region bears strong , elongate tubercles in two parallel rows and alternating . But ...
... tubercles , one umbilical of strong pointed tubercles , one large , blunt , flat and latero - external disappearing on the body chamber ; the external region bears strong , elongate tubercles in two parallel rows and alternating . But ...
Page 406
... umbilical tubercles and strong ventrolateral tubercles joined by different patterns of ribbing ; suture somewhat poorly developed placenticeratan type . Age Cenomanian - Turonian Remarks As compared to other members of the subfamily ...
... umbilical tubercles and strong ventrolateral tubercles joined by different patterns of ribbing ; suture somewhat poorly developed placenticeratan type . Age Cenomanian - Turonian Remarks As compared to other members of the subfamily ...
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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