Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 161
... 1948 Genus Protexanites Matsumoto , 1955 Type species Ammonites bourgeoisi d'Orbigny , 1842 ; by original designation . ? Protexanites sp . indet . Material A single whorl fragment , SAM - PCA2015 , preserving recrystallized test .
... 1948 Genus Protexanites Matsumoto , 1955 Type species Ammonites bourgeoisi d'Orbigny , 1842 ; by original designation . ? Protexanites sp . indet . Material A single whorl fragment , SAM - PCA2015 , preserving recrystallized test .
Page 244
Genus Nostoceras Hyatt , 1894 Type species Nostoceras stantoni retrorsum Hyatt ( 1894 : 570 ) by the original designation of Hyatt ( 1894 : 569 ) . Diagnosis The major part of the phragmocone is coiled in a tight helix .
Genus Nostoceras Hyatt , 1894 Type species Nostoceras stantoni retrorsum Hyatt ( 1894 : 570 ) by the original designation of Hyatt ( 1894 : 569 ) . Diagnosis The major part of the phragmocone is coiled in a tight helix .
Page 253
In the original condition , however , the ribs were blade - like with rounded extremities , separated by wider interspaces . These interspaces are in - filled with calcitic matrix . When extracting specimens from the matrix , the layer ...
In the original condition , however , the ribs were blade - like with rounded extremities , separated by wider interspaces . These interspaces are in - filled with calcitic matrix . When extracting specimens from the matrix , the layer ...
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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 |