Primitive spiny rats
Order : Rodentia
Suborder : Hystricognathi
Family : Echimyidae
Subfamily : Eumysopinae
Subfamily Eumysopinae contains 8 genera
| Carterodon (1 animal) | Clyomys (2 animals) | Euryzygomatomys (1 animal) | Hoplomys (1 animal) | Lonchothrix (1 animal) | Mesomys (5 animals) | Proechimys (32 animals) | Thrichomys (1 animal) |
Echimyidae
contains 5 subfamilies
| Chaetomyinae | Dactylomyinae | Echimyinae | Eumysopinae | Heteropsomyinae |
Hystricognathi contains 228 families
Order Rodentia
contains 1987 suborders