NEW INFORMATION ON THE UPPER TRIASSIC ARCHOSAURIFORM VANCLEAVEA CAMPI BASED ON NEW MATERIAL FROM THE CHINLE FORMATION OF ARIZONA

被引：0
|
作者：
Parker, William G. [1 ]
Barton, Bronson J. [2 ]
机构：
[1] Petrified Forest Natl Pk, Div Resource Management, Petrified Forest, AZ 86028 USA
[2] Utah State Univ, Dept Geol, Logan, UT 84321 USA
来源：
PALAEONTOLOGIA ELECTRONICA | 2008年 / 11卷 / 03期
关键词：
Late Triassic; Vancleavea; Petrified Forest National Park; Archosauriformes; Chinle Formation; phylogenetic analysis;
D O I：
暂无
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
Two new partial skeletons from the Petrified Forest Member (Chinle Formation) of Petrified Forest National Park are referable to Vancleavea campi Long and Murry 1995. Although lacking good skull material, the new specimens possess postcranial elements that are either absent or poorly preserved in the holotype specimen. A phylogenetic analysis tentatively suggests that Vancleavea campi represents a basal archosauriform more derived than Erythrosuchus, Proterosuchus, and possibly Euparkeria. Comparisons with undescribed material from the Chinle Formation near St. Johns, Arizona, and Ghost Ranch, New Mexico, are needed to confirm this placement and also to determine the taxonomic validity of the genus Vancleavea.
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页数：20
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