Author: Böse, E., & Cavins, O.A., 1927.:
Title: The Cretaceous and Tertiary of Southern Texas and Northern Mexico. / E. Böse. Cretaceous ammonites from Texas and Northern Mexico.
Description: [Univ. Texas Bull., 2748.] Austin, Tx. 8vo. Pp. 357, many photos of ammonites on 18 pls., 1 fold. map, bibl., index. Orig. cloth. - The section on ammonites covers pages 143-312.

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