Acomys louisae Thomas, 1896 . Ann. Mag. Nat. Hist., ser. 6, 18:269.

TYPE LOCALITY: Somalia, 40 mi south of Berbera .

DISTRIBUTION: Somalia; limits unknown.

SYNONYMS: umbratus.

COMMENTS: Subgenus Peracomys . Considered distinct, and the type-species of subgenus Peracomys, by Petter and Roche (1981). Petter (1983) included umbratus in the species.