Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 95
... flanks which converge slightly towards the venter . Maximum width is one - third of the way up the flank . Ornament is lacking on the inner flanks but this is due , at least partly , to corrosion . On the outer flank there are 23 fine ...
... flanks which converge slightly towards the venter . Maximum width is one - third of the way up the flank . Ornament is lacking on the inner flanks but this is due , at least partly , to corrosion . On the outer flank there are 23 fine ...
Page 107
... flanks converge slightly to the evenly rounded venter . Maximum width is at or just below midflank . The earliest growth stages are smooth and the diameter at which tubercles first appear is variable . SAM - PCA1733 lacks flank ...
... flanks converge slightly to the evenly rounded venter . Maximum width is at or just below midflank . The earliest growth stages are smooth and the diameter at which tubercles first appear is variable . SAM - PCA1733 lacks flank ...
Page 110
... flanks are almost flat , with maximum width at about midflank , and the whorl section is oval compressed ( H / W = 1.25 ) . The evenly rounded venter shows a very weak , low siphonal keel . The test is smooth and lacks ornament ...
... flanks are almost flat , with maximum width at about midflank , and the whorl section is oval compressed ( H / W = 1.25 ) . The evenly rounded venter shows a very weak , low siphonal keel . The test is smooth and lacks ornament ...
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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