Gerbillus simoni Lataste, 1881 . Le Naturaliste, 3:499.

TYPE LOCALITY: Algeria, Oued Magra .

DISTRIBUTION: Egypt, W of Nile Delta, Libya, Tunisia, and Algeria.

SYNONYMS: kaiseri, zakariai .

COMMENTS: A distinctive species that is the type species of Dipodillus (Lay, 1983) . Regional reviews are available for Egypt (Osborn and Helmy, 1980), Libya (Ranck, 1968), and Algeria (Kowalski and Rzebik-Kowalska, 1991).