Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 47
... becomes pierced by foramina along the posterior edge of the base of the transverse process and behind the ... become more horizontally inclined . The neural spines are long narrow blades with narrow ' spine tables ' . In an ...
... becomes pierced by foramina along the posterior edge of the base of the transverse process and behind the ... become more horizontally inclined . The neural spines are long narrow blades with narrow ' spine tables ' . In an ...
Page 53
... become shorter more abruptly than the decrease in length of the corresponding centra , and the openings for the passage of the blood vessels of the tail become smaller . The distal ends gradually become laterally compressed , and they ...
... become shorter more abruptly than the decrease in length of the corresponding centra , and the openings for the passage of the blood vessels of the tail become smaller . The distal ends gradually become laterally compressed , and they ...
Page 133
... become effaced before reaching the conspicuously serrated siphonal keel . Serrations far exceed the number of ventrolateral spines , with 11-12 in a distance equal to the whorl height . In maturity the keel thickens and serrations become ...
... become effaced before reaching the conspicuously serrated siphonal keel . Serrations far exceed the number of ventrolateral spines , with 11-12 in a distance equal to the whorl height . In maturity the keel thickens and serrations become ...
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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