Sylvisorex ollula Thomas, 1913 . Ann. Mag. Nat. Hist., ser. 8, 11:321.
TYPE LOCALITY: " Cameroons, Bitye, Ja River, 2,000 feet " (610 m) .
DISTRIBUTION: S Cameroon and adjacent Nigeria; Gabon; S Zaire.
STATUS: IUCN - Insufficiently known. S. ollula is of conservation concern (Nicoll and Rathbun, 1990:21).
COMMENTS: The largest species of the genus; discussed in some detail by Dieterlen and Heim de Balsac (1979).