Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 51
The presacral ribs are poorly known . BMNH R3592 includes one fairly complete cervical rib ( Fig . 28A ) and some additional fragments . The shaft of the cervical rib is short , laterally compressed but slightly concavo - convex ...
The presacral ribs are poorly known . BMNH R3592 includes one fairly complete cervical rib ( Fig . 28A ) and some additional fragments . The shaft of the cervical rib is short , laterally compressed but slightly concavo - convex ...
Page 133
Ornament comprises primary ribs that begin at the umbilical seam and pass backwards to the umbilical shoulder where they terminate in about 20 small but distinct umbilical bullae per whorl . These , in turn , give rise singly or in ...
Ornament comprises primary ribs that begin at the umbilical seam and pass backwards to the umbilical shoulder where they terminate in about 20 small but distinct umbilical bullae per whorl . These , in turn , give rise singly or in ...
Page 253
18 mm , spinose siphonal tubercles appear in the umbilical suture , either from single or from paired ribs their tips ... Distinct but small tubercles also occur on the inner abapical edge of the third whorl ; here rib density has ...
18 mm , spinose siphonal tubercles appear in the umbilical suture , either from single or from paired ribs their tips ... Distinct but small tubercles also occur on the inner abapical edge of the third whorl ; here rib density has ...
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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 |