Sciurus richmondi Nelson, 1898 . Proc. Biol. Soc. Washington, 12:146.
TYPE LOCALITY: "Escondido River (50 mi. above Bluefields) Nicaragua " (Nelson, 18996:100) .
DISTRIBUTION: Nicaragua.
COMMENTS: Subgenus Guerlinguetus (Hall, 1981:436) . Reviewed by Jones and Genoways (19756, Mammalian Species, 53).