Moluscos del Terciario Inferior del noreste de México
Series: Universidad Nacional Autónoma de México.  Instituto de Geología.  Palentología mexicana,; no. 19
Published: 1963
Place of publication: México
Language: spa
Number of pages: 26
Subjects: Mollusks, Fossil -- Mexico.; Paleontology -- Tertiary.
Notes: Bibliography: p. [23]-26.