Annals of the South African Museum, Volume 110West, Newman & Company for the trustees of the Museum, 2003 - Natural history |
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Page 203
COILING The initial juvenile stages are unknown; the earliest ontogenetic stages
present consist of slightly curved shafts with a whorl height of c. 20 mm. With the
exception of GD14000, all the specimens consist of slightly curved shafts only.
COILING The initial juvenile stages are unknown; the earliest ontogenetic stages
present consist of slightly curved shafts with a whorl height of c. 20 mm. With the
exception of GD14000, all the specimens consist of slightly curved shafts only.
Page 229
Description Coiling is in a loose helix with the distance between successive
whorls about half the height of the ... None of our specimens has the body
chamber preserved, and we do not know if the helical mode of coiling continues
right up to ...
Description Coiling is in a loose helix with the distance between successive
whorls about half the height of the ... None of our specimens has the body
chamber preserved, and we do not know if the helical mode of coiling continues
right up to ...
Page 295
A few species of Didymoceras show loose coiling similar to that of D. (E.)
mitraikyense, but in all the cases the ornament is sufficiently different to
distinguish between these. D. (D.) donezianum (Mikhailov, 1951), recently
reviewed by Kennedy ...
A few species of Didymoceras show loose coiling similar to that of D. (E.)
mitraikyense, but in all the cases the ornament is sufficiently different to
distinguish between these. D. (D.) donezianum (Mikhailov, 1951), recently
reviewed by Kennedy ...
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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 |