Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 173
... coiling , post - mortem fragmentation is universal and complete specimens of the species are unknown . The early whorls were thought to have been coiled in a helix ( cf. Wright 1957 : L227 ; Matsumoto 1959 : 165 ; Klinger 1976 : 81 ) ...
... coiling , post - mortem fragmentation is universal and complete specimens of the species are unknown . The early whorls were thought to have been coiled in a helix ( cf. Wright 1957 : L227 ; Matsumoto 1959 : 165 ; Klinger 1976 : 81 ) ...
Page 229
... coiling is already distinctly helical , as in the later stages of growth . None of our specimens has the body chamber preserved , and we do not know if the helical mode of coiling continues right up to the aperture , or whether there is ...
... coiling is already distinctly helical , as in the later stages of growth . None of our specimens has the body chamber preserved , and we do not know if the helical mode of coiling continues right up to the aperture , or whether there is ...
Page 295
... coiling in the early stages , but the body chamber becomes closely coiled . Didymoceras ( D. ) navarroense ( Shumard , 1861 ) ( see Stephenson 1941 : 417 , pl . 83 ( figs 9–13 ) ) , and Kennedy & Cobban ( 1993a : 421 , figs 12.1 , 13.1 ...
... coiling in the early stages , but the body chamber becomes closely coiled . Didymoceras ( D. ) navarroense ( Shumard , 1861 ) ( see Stephenson 1941 : 417 , pl . 83 ( figs 9–13 ) ) , and Kennedy & Cobban ( 1993a : 421 , figs 12.1 , 13.1 ...
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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