Microcavia H. Gervais and Ameghino, 1880 . Mamm. Fos. Am. Sud., p. 50.
TYPE SPECIES: Microcavia typus H. Gervais and Ameghino, 1880 (fossil).
SYNONYMS: Caviella, Monticavia, Nanocavia .
COMMENTS: Includes Monticavia . Reviewed by Hückinghaus (1961) and Cabrera (1961).