Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 107
... whorl section ( H / W 1.17-1.39 ) . The dorsum is evenly rounded and the relatively flat flanks converge slightly to the evenly rounded venter . Maximum width is at or just below midflank . The earliest growth stages are smooth and the ...
... whorl section ( H / W 1.17-1.39 ) . The dorsum is evenly rounded and the relatively flat flanks converge slightly to the evenly rounded venter . Maximum width is at or just below midflank . The earliest growth stages are smooth and the ...
Page 109
... whorl section , with weaker tubercles and finer , denser , better developed ribs . Baculites schenki Matsumoto ( 1959 : 113 , pl . 32 ( figs 1–6 ) , figs 12-25 ; Matsumoto & Obata , 1963 : 38 , pl . 12 ( figs 1-2 ) , pl . 14 ( fig . 1 ) ...
... whorl section , with weaker tubercles and finer , denser , better developed ribs . Baculites schenki Matsumoto ( 1959 : 113 , pl . 32 ( figs 1–6 ) , figs 12-25 ; Matsumoto & Obata , 1963 : 38 , pl . 12 ( figs 1-2 ) , pl . 14 ( fig . 1 ) ...
Page 253
... whorl , at a spiral diameter of c . 18 mm , spinose siphonal tubercles ... section on the phragmocone changes from depressed ( adapical - abapical ) to ... whorl of the spirally coiled section before it breaks away to form a retroversal ...
... whorl , at a spiral diameter of c . 18 mm , spinose siphonal tubercles ... section on the phragmocone changes from depressed ( adapical - abapical ) to ... whorl of the spirally coiled section before it breaks away to form a retroversal ...
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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