Romerolagus Merriam, 1896 . Proc. Biol. Soc. Washington, 10: 173.

TYPE SPECIES: Lepus diazi Ferrari-Peréz, 1893 .

SYNONYMS: Lagomys Herrera, 1897 (not Lagomys Cuvier, 1800).

COMMENTS: Whether this monotypic genus represents "the most primitive of the living rabbits and hares" (Fa and Bell, 1990), or is closer to the more specialized leporids ( Sylvilagus, Oryctolagus, Lepus) (Corbet, 1983), or is intermediate (Hibbard, 1963), remains controversial.