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 Trinomys Species Trinomys albispinus (white-spined Atlantic spiny-rat) Species Trinomys dimidiatus (soft-spined Atlantic spiny-rat) Species Trinomys eliasi (Elias' Atlantic spiny-rat) Species Trinomys gratiosus (gracile Atlantic spiny-rat) Species Trinomys iheringi (Ihering's Atlantic spiny-rat) Species Trinomys mirapitanga (dark-caped Atlantic spiny-rat) Species Trinomys moojeni (Moojen's Atlantic spiny-rat) Species Trinomys myosuros (mouse-tailed Atlantic spiny-rat) Species Trinomys paratus (spiked Atlantic spiny-rat) Species Trinomys setosus (hairy Atlantic spiny-rat) Species Trinomys yonenagae (Yonenaga's Atlantic spiny-rat)
