Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 107
... whorl height of 7 mm , whereas in SAM - PCA1808 they are present at only 5.4 mm whorl height . Typically , the lower flanks are ornamented with 2-4 crescentic bullae of variable strength in a distance equal to the whorl height . In some ...
... whorl height of 7 mm , whereas in SAM - PCA1808 they are present at only 5.4 mm whorl height . Typically , the lower flanks are ornamented with 2-4 crescentic bullae of variable strength in a distance equal to the whorl height . In some ...
Page 253
... whorl . Distinct but small tubercles also occur on the inner abapical edge of the third whorl ; here rib density has increased to about 80. On the outer whorl , rib density is about 100 to 120. The majority of ribs are single , but some ...
... whorl . Distinct but small tubercles also occur on the inner abapical edge of the third whorl ; here rib density has increased to about 80. On the outer whorl , rib density is about 100 to 120. The majority of ribs are single , but some ...
Page 289
... whorl , part earlier whorl impressed in the matrix of the former on the inner adapical edge , and a fragment of an even earlier whorl , found loose in the same block of matrix . Coiling in the spiral section of the shell is extremely ...
... whorl , part earlier whorl impressed in the matrix of the former on the inner adapical edge , and a fragment of an even earlier whorl , found loose in the same block of matrix . Coiling in the spiral section of the shell is extremely ...
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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