Cingulata
- Chlamyphoridae
- Dasypodidae
- Eocoleophorus
- Glyptodontidae
- Noatherium
- Palaeopeltidae
- Pampatheriidae
- Peltephilidae
- Saltatherium
- Nine-banded Armadillo Dasypus novemcinctus
An armadillo active around dusk and at night that searches leaf litter for insects. It also occurs in parts of the United States east and north of Texas.
- Screaming hairy armadillo Chaetophractus vellerosus
A hairy armadillo of dry regions, with fur showing between the plates of its armor. In hot summer weather it stays in burrows and is active at night.
- Six-banded armadillo Euphractus sexcinctus
An armadillo of South American savannas that digs its own burrows with strong claws.
- Big hairy armadillo Chaetophractus villosus
The big hairy armadillo lives in grasslands, forests and other habitats in South America. Flexible bony plates cover its back, with hair beneath the plates and along the sides of the body.
- Northern Naked-tailed Armadillo Cabassous centralis
The northern naked-tailed armadillo has bands of armor on its back but no protective plates on its tail. It digs with large claws and feeds mainly on insects.
- Southern Naked-tailed Armadillo Cabassous unicinctus
This armadillo is marked by a gray, banded shell and an unarmored tail. It lives mostly alone underground and feeds on ants and termites.
- Brazilian Lesser Long-nosed Armadillo Dasypus septemcinctus
The Brazilian lesser long-nosed armadillo is the smallest species in its genus. Its shell has six or seven movable bands.
- Giant Armadillo Priodontes maximus
It is the largest living armadillo and digs burrows with its powerful front claws.
- Pink Fairy Armadillo Chlamyphorus truncatus
The lesser fairy armadillo is a small armadillo that lives in underground burrows. Its back is covered by pale pinkish-ochre armor, and it inhabits dry sandy areas of central Argentina.
- Greater Naked-tailed Armadillo Cabassous tatouay
An armadillo whose tail lacks armor. At night it digs into soil and termite mounds with its large claws, feeding mainly on ants and termites.
- Southern Three-banded Armadillo Tolypeutes matacus
The southern three-banded armadillo is an armadillo that tucks its head and legs beneath its hard shell and curls up for defense.
- Brazilian Three-banded Armadillo Tolypeutes tricinctus
This armadillo has a rounded shell and can curl into a ball by fitting its head and tail shields together when threatened.