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Dolabrosaurus aquatilis, a Small Lepidosauromorph Reptile from the Upper Triassic Chinle Formation of North-Central New Mexico

David S. Berman and Robert R. Reisz
Journal of Paleontology
Vol. 66, No. 6 (Nov., 1992), pp. 1001-1009
Published by: Paleontological Society
Stable URL: http://www.jstor.org/stable/1305953
Page Count: 9
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Dolabrosaurus aquatilis, a Small Lepidosauromorph Reptile from the Upper Triassic Chinle Formation of North-Central New Mexico
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Abstract

Dolabrosaurus aquatilis n. gen. and sp., a small amphibious or aquatic reptile from the Upper Triassic Chinle Formation of north-central New Mexico, is described on the basis of portions of the vertebral column and partial fore- and hindlimbs of a single specimen. Comparison with other Triassic reptiles indicates that D. aquatilis is most closely related to Drepanosaurus unguicaudatus, a small, enigmatic lepidosauromorph from the Upper Triassic Zorzino Formation of the Italian Alps. Both species are assigned to a new family, Drepanosauridae, with Dolabrosaurus recognized as more primitive in some aspects of its vertebral and pedal morphology. The precise assignment of Drepanosauridae within the Lepidosauromorpha remains uncertain.

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