Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Superclass Gnathostomata (jawed vertebrates) Euteleostomi (bony vertebrates) Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates) Tetrapoda (tetrapods) Amniota (amniotes) Synapsida (synapsids) Class Mammalia (mammals) Subclass Theria (Therian mammals) Infraclass Eutheria (placental mammals) Order Rodentia (rodents) Suborder Hystricomorpha (hystricognath rodents) Infraorder Hystricognathi (hystricognath rodents) Family Echimyidae (spiny rats) Subfamily Eumysopinae (primitive spiny rats) Genus Carterodon (Owl's spiny rat) Genus Clyomys (Bishop's fossorial spiny rat and broad-headed spiny rat) Genus Euryzygomatomys (rata guira) Genus Hoplomys (armored rat and thick-spined rat) Genus Lonchothrix (tuft-tailed spiny tree rat) Genus Mesomys (spiny tree rats) Genus Proechimys (spiny rats) Genus Thrichomys (punare) Genus Trinomys
