Plagiodontinae Ellerman 1940
Plagiodontinae Ellerman 1940, The Families and Genera of Living Rodents, Vol. 1: 25.
Genera: 2 genera with 4 species:
Genus Plagiodontia F. Cuvier 1836 (3 species with 2 subspecies)
Genus Rhizoplagiodontia Woods 1989 (1 species)