Print ISSN: 0031-0247
Online ISSN: 2274-0333
Frequency: biannual
Hypoplasia: CT-scan or naked eye?
Eocene otoliths (Clinchfield Formation), Georgia
New elephant cranium from early Pliocene Ileret, Kenya
Evolution et extinction des reptiles marins au Mésozoïque
Early adaptive radiation of Theridomorpha
Eocene (56) , Quercy phosphorites (37) , systematics (31) , Rodents (29) , Mammalia (26)
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L'anatomie de Lyrocephaliscus euri (wiman), Trématosaure du Trias inférieur du Spitsberg : arrière-crâne, squelette axial et ceinture scapulaire.Jean-Michel Mazin and Philippe JanvierKeywords: skull anatomy; Spitsbergen; Trematosaurs; TriasAbstract The formic acid preparation of a nodule collected from the Lower Triassic of Spitsbergen, and containing a skull with some associated postcranial elements of Lyrocephaliscus euri (WIMAN), precises and enriches previous descriptions of the reputedly well-known trematosaur. lt permits more detailed descriptions of the occipital region, of the course of the carotid arteries and collateral vessels, and refutes the previous description of a stapedial foramen in trematosaurs. The discovery of pleurocentres associated with the other vertebral components confirms the primitive rhachitomy of trematosaurs. Article infos Published in Vol. 13, Fasc. 1-2 (1983) |
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