On a new Exogyra from the Del Rio Clay and some observations on the evolution of Exogyra in the Texas cretaceous [microform]
By: by Emil Böse.
Series: University of Texas bulletin ;; no. 1902, January 5, 1919
Publisher: The University
Published: 1919
Place of publication: Austin, Texas
Language: eng
Number of pages: 22
Notes: Microfilm. Washington, D.C. : Library of Congress Photoduplication Service, 1987. 1 microfilm reel ; 35 mm.
Each plate is accompanied by a leaf of descriptive letterpress.
Illustrated material preserved in MicRR.
Call number of original: QE812.E9B6.
Master microform held by: DLC.