Author: Wilson, J.A., 1974.:
Title: Early Tertiary vertebrate faunas, Vieja Group and Buck Hill Group, Trans-Pecos Texas: Protoceratidae, Camelidae, Hypertragulidae. [Bull. Texas Mem. Mus., 23.]
Description: Austin, Tx. 4to. Pp. 34, 35 figs., refs. Orig. wrs. Light traces of use.

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