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Akanthosuchus langstoni, a New Crocodilian from the Nacimiento Formation (Paleocene, Torrejonian) of New Mexico

F. Michael O'Neill, Spencer G. Lucas and Barry S. Kues
Journal of Paleontology
Vol. 55, No. 2 (Mar., 1981), pp. 340-352
Stable URL: http://www.jstor.org/stable/1304220
Page Count: 13
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Akanthosuchus langstoni, a New Crocodilian from the Nacimiento Formation (Paleocene, Torrejonian) of New Mexico
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Abstract

The posterior half of the skeleton of a new crocodylid from the Paleocene Nacimiento Formation near Torrejon Wash, northwestern New Mexico, is described as Akanthosuchus langstoni, n. gen., n. sp. The remains include a completely articulated right hind foot and lower leg, and numerous spiked and bladed osteoscutes that comprise the most distinctive feature of the new genus. Several lines of evidence tenuously suggest that this 1.5-2.0 m long crocodilian was terrestrial, but it may be interpreted equally well as a specialized, rather heavily armored, primarily aquatic crocodilian.

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