Annals of the South African Museum, Volume 110The Museum, 2003 - Natural history |
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Page 15
Just behind the medial edge of the base of this process is a foramen interpreted as probably transmitting the medial ethmoidal nerve . Contact with the maxilla is achieved with a long and tapering , posterodorsally directed process .
Just behind the medial edge of the base of this process is a foramen interpreted as probably transmitting the medial ethmoidal nerve . Contact with the maxilla is achieved with a long and tapering , posterodorsally directed process .
Page 43
A lamella extends between the di- and parapophyses , and additional lamellae extend from the base of the transverse process . ... There are two deep pits where the bases of the anterior and ventral lamellae converge .
A lamella extends between the di- and parapophyses , and additional lamellae extend from the base of the transverse process . ... There are two deep pits where the bases of the anterior and ventral lamellae converge .
Page 244
Occurrence Discussion In most Nostoceras ( Nostoceras ) species the body chamber forms a distinct U - shaped loop suspended below the base of the preceding spire , with the aperture often very close to the latter .
Occurrence Discussion In most Nostoceras ( Nostoceras ) species the body chamber forms a distinct U - shaped loop suspended below the base of the preceding spire , with the aperture often very close to the latter .
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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