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Coelophysis bauri and Syntarsus rhodesiensis compared, with comments on the preparation and preservation of fossils from the Ghost Ranch Coelophysis quarry

Describes newly prepared fossils of Coelophysis that show new similarities to Syntarsus.

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Abstract

Coelophysis bauri and Syntarsus rhodesiensis are remarkably similar morphologically. Poor preservation of some of the Ghost Ranch Coelophysis specimens makes anatomical interpretations difficult. A new comparison of Coelophysis and Syntarsus indicate that putative differences in the skull roof, interdental plates, palate, pelvic girdle, hind limb and dorsal vertebrae have been misinterpreted. Coelophysis may have a furcula.