期刊
COMPTES RENDUS PALEVOL
卷 4, 期 4, 页码 327-340出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crpv.2005.03.002
关键词
Late Triassic; aetosaur; Desmatosuchus; Bull Canyon Formation; Chinle Formation; Texas; Arizona; USA
类别
Reanalysis of known armor of the stagonolepidid (aetosaur) Desmotositchus has shown distinct differences in the lateral armor among individuals known from Carnian and Norian age rocks in the southwestern United States. Combined with previously reported cranial differences it is apparent that Norian specimens of Desmatosuchus represent a species distinct from the type species Desmatosuchus haplocerus and are described herein as Desmatosuchus smalli n. sp. D. smalli is known solely from Norian age rocks, whereas D. haplocerus is known only from Carnian age rocks. The separation of Desmatosuchus into distinct Carnian and Norian species suggests some biostratigraphic utility for these taxa. To cite this article: W.G. Parker, C. R. Palevol 4 (2005). (c) 2005 Academic, des sciences. Published by Elsevier SAS. All rights reserved.
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