- sand rat - small nearly naked African mole rat of desert areas
--1 is a kind of rodent, gnawer, gnawing animal
--1 is a member of Heterocephalus, genus Heterocephalus- sand rat, Meriones longifrons - southern European gerbil
--2 is a kind of gerbil, gerbille
--2 is a member of Meriones, genus Meriones - sand rat, Meriones longifrons - southern European gerbil