Annals of the South African Museum, Volume 110West, Newman & Company for the trustees of the Museum, 2003 - Natural history |
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Page 95
Description The shell is compressed, with virtually the entire preceding whorl
covered. The umbilicus is very involute (5 per cent of the shell diameter), pit-like,
with a sloping umbilical wall and subrounded shoulder. The whorl section is ...
Description The shell is compressed, with virtually the entire preceding whorl
covered. The umbilicus is very involute (5 per cent of the shell diameter), pit-like,
with a sloping umbilical wall and subrounded shoulder. The whorl section is ...
Page 115
Discussion Mossamedites provides the link between evolute and moderately
inflated Puzosia, e.g. P. compressa Kossmat, and very evolute and compressed
Hauericeras of the Santonian, with a conspicuously raised siphonal keel. It
retains ...
Discussion Mossamedites provides the link between evolute and moderately
inflated Puzosia, e.g. P. compressa Kossmat, and very evolute and compressed
Hauericeras of the Santonian, with a conspicuously raised siphonal keel. It
retains ...
Page 253
During ontogeny, the whorl section on the phragmocone changes from
depressed (adapical-abapical) to rounded to distinctly laterally (dorsal-siphonal)
compressed. Coiling in the phragmocone is both sinistral and dextral. In most
specimens ...
During ontogeny, the whorl section on the phragmocone changes from
depressed (adapical-abapical) to rounded to distinctly laterally (dorsal-siphonal)
compressed. Coiling in the phragmocone is both sinistral and dextral. In most
specimens ...
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Common terms and phrases
ammonites Angola Annals anterior arch archosaurs articulates base become BMNH body chamber Broom CALIFORNIA Campanian closely Cobban coiling collections Collignon complete compressed Coniacian consists constrictions Cooper Cretaceous cylindraceum described Description diameter differs Diplomoceras Discussion distal dorsal early edge elements Erythrosuchus africanus Eubostrychoceras example fauna Figure flanks fossils fragments genus Geological Gower History holotype Howarth incomplete Kennedy Klinger known KwaZulu Lateral view LIBRARY locality lower Maastrichtian Madagascar material Matsumoto maxilla medial Middle narrow Natural occurrence original ornament Paleontology phragmocone position possibly posterior present preserved probably proximal referred represented ribs rounded SAM-PCA Santonian shaft shell shows similar single skull slightly Society South African Museum Spath species specimens St Lucia Formation suggests surface suture text-fig tubercles Turonian Type species umbilical UNIVERSITY Upper Upper Cretaceous venter ventral ventrolateral vertebrae whorl whorl section
Bibliographic information
| Title | Annals of the South African Museum, Volume 110 Annals of the South African Museum, South African Museum |
| Contributor | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 2003 |
| Original from | University of California, Berkeley |
| Digitized | 26 Jan 2016 |
| Export Citation | BiBTeX EndNote RefMan |