Sylvisorex isabellae Heim de Balsac, 1968 . Bonn. Zool. Beitr., 19:31.

TYPE LOCALITY: Equatorial Guinea, Bioko (Fernando Po), "Pic Santa Isabel, Refugium, 2000 m .

DISTRIBUTION: Bioko; a similar form occurs in the Bamenda Highlands, Cameroon.

COMMENTS: Included in morio by Heim de Balsac and Meester (1977), but represents a distinctly smaller species.