Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 110
... rounded shoulders . The 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 ...
... rounded shoulders . The 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 ...
Page 162
... rounded shoulder . The whorl section ( Fig . 7A - B ) is compressed ( H / W = 1.09-1.44 ) , elliptical intercostally and polygonal costally , with broad , flat flanks and a narrow venter bearing a low well - developed siphonal keel ...
... rounded shoulder . The whorl section ( Fig . 7A - B ) is compressed ( H / W = 1.09-1.44 ) , elliptical intercostally and polygonal costally , with broad , flat flanks and a narrow venter bearing a low well - developed siphonal keel ...
Page 253
... rounded extremities , separated by wider interspaces . These interspaces are in - filled with calcitic matrix . When extracting specimens from the matrix , the layer consisting of the high ribs and interspace matrix usually detaches ...
... rounded extremities , separated by wider interspaces . These interspaces are in - filled with calcitic matrix . When extracting specimens from the matrix , the layer consisting of the high ribs and interspace matrix usually detaches ...
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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