Subfamily Platacanthomyinae Alston 1876 (mouse)
Alternative spelling: Platacanthomyidae
Parent taxon: Muroidea according to S. J. Steppan et al. 2004
Sister taxa: Critopsinae, Eucricetodontidae, Eumuroida, Lophiomyinae, Myospalacinae, Pseudocricetodontidae, Spalacidae
Subtaxa: Neocometes, Platacanthomys
Ecology: ground dwelling herbivore