Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
From inside the book
Results 1-3 of 20
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 221
... Whorl height ; Wb : Wh = ratio of whorl breadth to whorl height . Prefixes Mx and Mn indicate maximum and minimum measurements . Ri = Rib index , ribs counted along the length of the specimen over a distance equal to the whorl height ...
... Whorl height ; Wb : Wh = ratio of whorl breadth to whorl height . Prefixes Mx and Mn indicate maximum and minimum measurements . Ri = Rib index , ribs counted along the length of the specimen over a distance equal to the whorl height ...
Page 229
... whorls about half the height of the previous whorl . The umbilical width increases with growth , but even at the largest preserved diameter , is still less than half the diameter of the whorls . SAM - PCZ18709 ( Fig . 63F ) represents ...
... whorls about half the height of the previous whorl . The umbilical width increases with growth , but even at the largest preserved diameter , is still less than half the diameter of the whorls . SAM - PCZ18709 ( Fig . 63F ) represents ...
Other editions - View all
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