Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
From inside the book
Results 1-3 of 33
Page 110
... Description The shell is inflated and moderately evolute , with about 65 per cent of the preceding whorl covered . The umbilicus is rather narrow ( about 25 per cent of the shell diameter ) , deep , with steep walls which pass ...
... Description The shell is inflated and moderately evolute , with about 65 per cent of the preceding whorl covered . The umbilicus is rather narrow ( about 25 per cent of the shell diameter ) , deep , with steep walls which pass ...
Page 115
... Description The shell is strongly compressed and moderately evolute , with slightly less than half the preceding whorl covered . The umbilicus is wide ( 25-33 % of the diameter ) and shallow , with vertical walls and subrounded ...
... Description The shell is strongly compressed and moderately evolute , with slightly less than half the preceding whorl covered . The umbilicus is wide ( 25-33 % of the diameter ) and shallow , with vertical walls and subrounded ...
Page 128
Figure 25 Description The shell is poorly preserved due to erosion of one flank and the venter . What remains , however , suggests a fairly evolute , compressed shell with about 30 per cent of the penultimate whorl covered . The ...
Figure 25 Description The shell is poorly preserved due to erosion of one flank and the venter . What remains , however , suggests a fairly evolute , compressed shell with about 30 per cent of the penultimate whorl covered . The ...
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