Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 119
... Placenticeras Hyatt , 1900 Type species Ammonites placenta DeKay , 1828 ; by the subsequent designation of Meek , 1876 . 1904 1978b 1989 Material Placenticeras kaffrarium Etheridge , 1904 Figs 51 - J , 11A – D , G - I , 16 Placenticeras ...
... Placenticeras Hyatt , 1900 Type species Ammonites placenta DeKay , 1828 ; by the subsequent designation of Meek , 1876 . 1904 1978b 1989 Material Placenticeras kaffrarium Etheridge , 1904 Figs 51 - J , 11A – D , G - I , 16 Placenticeras ...
Page 120
Placenticeras umkwelanense morphotype The shell is strongly compressed , discoidal , high - whorled , and involute . The narrow umbilicus ( about 14 per cent of the shell diameter ) has steep walls and subrounded shoulders . The broad ...
Placenticeras umkwelanense morphotype The shell is strongly compressed , discoidal , high - whorled , and involute . The narrow umbilicus ( about 14 per cent of the shell diameter ) has steep walls and subrounded shoulders . The broad ...
Page 136
... Placenticeras kaffrarium Etheridge ( kaffrarium morphotypes only ) , Tetragonites glabrus Jimbo , Mossamedites serratocarinatus ( Kennedy & Cobban ) , and Puebloites green- hornensis Cobban & Scott . Although most of these taxa are long ...
... Placenticeras kaffrarium Etheridge ( kaffrarium morphotypes only ) , Tetragonites glabrus Jimbo , Mossamedites serratocarinatus ( Kennedy & Cobban ) , and Puebloites green- hornensis Cobban & Scott . Although most of these taxa are long ...
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Common terms and phrases
ammonites Angola Annals archosaurs articulates Baculites Berkeley BMNH body chamber Campanian Cape Town caudal vertebrae centrum Charig coiling compressed Coniacian constrictions Cooper Cretaceous ammonites Damesites dentary diameter Didymoceras Diplomoceras Diplomoceras cylindraceum Defrance dorsal edge Erythrosuchus africanus Broom Eubostrychoceras fauna fenestra Figure flanks foramen fossils fragments gardeni Baily Garjainia genus Geological Géologique Gisement Glyptoxoceras Hauericeras holotype Howarth Huene Hyatt Hypophylloceras incomplete intercentra internal moulds Jimbo kaffrarium Kennedy & Cobban Klinger & Kennedy Kossmat Kossmaticeras KwaZulu Lateral view locality lower Campanian Maastrichtian Madagascar material Matsumoto maxilla medial views Mesopuzosia Morrowites Neocrioceras Neoglyptoxoceras Nostoceras Nostoceras Bostrychoceras Ochev ornament Paleontology phragmocone Placenticeras posterior posteriorly posteroventral premaxilla Prionocycloceras proterosuchids ribs Santonian São Nicolau shaft skull roof South African Museum Spath specimens St Lucia Formation Stoliczka Superfamily suture Tetragonites Texanites text-fig Turonian Type species umbilicus UNIVERSITY OF CALIFORNIA Upper Cretaceous venter ventral views ventrolateral tubercles whorl height whorl section