Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 125
... tubercles correspond with only seven lower ventrolateral tubercles ( Fig . 21 ) . Occasionally an inner ventrolateral tubercle lacks an accompanying upper ventrolateral . That the inner ventrolateral tubercles represent the septate ...
... tubercles correspond with only seven lower ventrolateral tubercles ( Fig . 21 ) . Occasionally an inner ventrolateral tubercle lacks an accompanying upper ventrolateral . That the inner ventrolateral tubercles represent the septate ...
Page 253
... tubercles also occur on the inner abapical edge of the third whorl ; here rib density has increased to about 80. On ... tubercles are visible at a spiral diameter of 25-30 mm . Three to four single ribs occur between these tubercles . In ...
... tubercles also occur on the inner abapical edge of the third whorl ; here rib density has increased to about 80. On ... tubercles are visible at a spiral diameter of 25-30 mm . Three to four single ribs occur between these tubercles . In ...
Page 325
... tubercles are weaker than in Oxybeloceras and the tubercles may efface ' . Spiroxybeloceras is similar to Solenoceras , but differs in having an early ontogenetic stage consisting of a loose planispiral growth stage , followed by two ...
... tubercles are weaker than in Oxybeloceras and the tubercles may efface ' . Spiroxybeloceras is similar to Solenoceras , but differs in having an early ontogenetic stage consisting of a loose planispiral growth stage , followed by two ...
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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