Orbitolina morelensis sp. nov. de la formacion Morelos del Cretacico Inferior (Albiano) en la region de Huetamo, Michoacan, Mexico.

Bibliographic Details
Main Author:	Ayala-Castañares, Agustín
Format:	Book
Language:	Spanish
Published:	Mexico : Instituto de Geologia, 1960.
Series:	Paleontología mexicana ; no. 6.
Subjects:	Orbitolina morelensis.

Description
Physical Description:	16 pages : illustrations, map. ; 24 cm.
Bibliography:	Bibliography: pages [15]-16.