Taterillus arenarius Robbins, 1974 . Proc. Biol. Soc. Wash., 87(35):399.
TYPE LOCALITY: Mauritania, Trarza Region, Tiguent .
DISTRIBUTION: Mauritania; Niger; Mali.
COMMENT: Sympatric in S. Mauritania with pygargus; see Robbins, 1975, Unpubl. Ph.D. Dissertation, Univ. Arizona, p. 33.