Taterillus gracilis (Thomas, 1892) . Ann. Mag. Nat. Hist., ser. 6, 9:77.

TYPE LOCALITY: Gambia .

DISTRIBUTION: N. Nigeria and Niger to Gambia and Senegal.

COMMENT: T. gracilis and pygargus are sympatric in W. Senegal where their karyotypes were studied by Matthey and Jotterand, 1972, Mammalia, 36: 193-209. Includes nigeriae; see Robbins, 1977, in Sokolov, ed., [Advances in Modern Theriology], p. 190, and Robbins, 1975, Unpubl. Ph.D. Dissertation, Univ. Arizona, p. 52, who also included angelus in gracilis .

ISIS NUMBER: 5301410008099003001 as T. gracilis .

5301410008099008001 as T. nigeriae .