Annals of the South African Museum, Volume 110The 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 ... This would explain why nearly all of the material consists of parts of curved shafts only .
COILING The initial juvenile stages are unknown ; the earliest ontogenetic stages present consist of slightly curved shafts with a whorl ... This would explain why nearly all of the material consists of parts of curved shafts only .
Page 223
Ornament consists of simple ribs , in some with intercalated flared ribs at some stage or other . Tubercles generally absent . Discussion Two subgenera are here referred to Eubostrychoceras , E. ( Eubostrychoceras ) and E. ( Amapondella ) ...
Ornament consists of simple ribs , in some with intercalated flared ribs at some stage or other . Tubercles generally absent . Discussion Two subgenera are here referred to Eubostrychoceras , E. ( Eubostrychoceras ) and E. ( Amapondella ) ...
Page 325
Oxybeloceras differ in that : ( 1 ) ' Solenoceras consists of two straight parallel shafts , lacking the initial ... Spiroxybeloceras is similar to Solenoceras , but differs in having an early ontogenetic stage consisting of a loose ...
Oxybeloceras differ in that : ( 1 ) ' Solenoceras consists of two straight parallel shafts , lacking the initial ... Spiroxybeloceras is similar to Solenoceras , but differs in having an early ontogenetic stage consisting of a loose ...
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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 |