Ammodillus imbellis is a gerbil known from dry areas of eastern Ethiopia and Somalia. It has reddish fawn fur, with white areas on the face, belly, and feet.
The back is reddish fawn, with dark underfur sharply defined along the sides. The feet, chin, cheeks, and belly are white, and long dark hairs form a tuft over the final third of the tail.
A specimen was collected in sandy soil near wells at Gerlogobi Wells.
An extinction-risk assessment has not been added yet.