Biostratigraphy of the Cardenas formation (upper cretaceous) San Luis Potosí, México.
Series: Universidad Nacional Autónoma de Mexico.  Instituto de Geologia.  Paleontologia Mexicana, no. 24
Published: 1968
Place of publication: México, D.F
Language: eng
Number of pages: 89
Subjects: Paleontology -- Cretaceous.; Paleontology -- Mexico -- San Luis Potosí