Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 125
From the inner ventrolateral tubercles the ribs project forwards to connect with outer ventrolateral tubercles close to the siphonal line and are weakly joined across the venter . There is a multiplicity of outer ventrolateral tubercles ...
From the inner ventrolateral tubercles the ribs project forwards to connect with outer ventrolateral tubercles close to the siphonal line and are weakly joined across the venter . There is a multiplicity of outer ventrolateral tubercles ...
Page 253
18 mm , spinose siphonal tubercles appear in the umbilical suture , either from single or from paired ribs their tips resting on the adapical shoulder of the succeeding whorl . Distinct but small tubercles also occur on the inner ...
18 mm , spinose siphonal tubercles appear in the umbilical suture , either from single or from paired ribs their tips resting on the adapical shoulder of the succeeding whorl . Distinct but small tubercles also occur on the inner ...
Page 325
... adpressed for all their length ' ; ( 3 ) ' constrictions with associated flared ribs occur on the body chamber and phragmocone ' ; ( 4 ) ' The ribs bearing tubercles are weaker than in Oxybeloceras and the tubercles may efface ' .
... adpressed for all their length ' ; ( 3 ) ' constrictions with associated flared ribs occur on the body chamber and phragmocone ' ; ( 4 ) ' The ribs bearing tubercles are weaker than in Oxybeloceras and the tubercles may efface ' .
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Common terms and phrases
ammonites Angola Annals anterior arch archosaurs articulates base become BMNH body chamber Broom Campanian Cape caudal vertebrae 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 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 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 | The Museum, 2003 |
| Original from | University of California, Berkeley |
| Digitized | 26 Jan 2016 |
| Export Citation | BiBTeX EndNote RefMan |