Edentata or Xenarthra (Armadillos, Anteaters, and Sloths)
- Anteaters
- Giant Anteaters
- Giant Anteater - Myrmecophaga tridactyla
 
 - Pygmy Anteaters
- Silky or Pygmy Anteater - Cyclopes didactylus
 
 - Tamanduas
- Collared Anteater, Southern Tamandua - Tamandua tetradactyla
 - Northern Tamandua - Tamandua mexicana
 
 
 
- Armadillos
- Armadillos
- Giant Armadillos
- Giant Armadillo - Priodontes maximus
 
 - Hairy Armadillos
- Andean Hairy Armadillo - Chaetophractus nationi
 - Big Hairy Armadillo - Chaetophractus villosus
 - Little Hairy Armadillo - Chaetophractus vellerosus
 
 - Long-nosed Armadillos
- Brazilian Lesser Long-nosed Armadillo - Dasypus septemcinctus
 - Greater Long-nosed Armadillo - Dasypus kappleri
 - Hairy Long-nosed Armadillo - Dasypus pilosus
 - Nine Banded Armadillo - Dasypus novemcinctus
                
 - Northern Lesser Long-nosed Armadillo - Dasypus sabanicola
 - Southern Lesser Long-nosed Armadillo - Dasypus hybridus
 
 - Naked-tailed armadillos
- Chacoan Naked-tailed Armadillo - Cabassous chacoensis
 - Greater Naked-tailed Armadillo - Cabassous tatouay
 - Northern Naked-tailed Armadillo - Cabassous centralis
 - Southern Naked-tailed Armadillo - Cabassous unicinctus
 
 - Pichis
 - Six Banded Armadillos
- Six Banded Armadillo - Euphractus sexcinctus
 
 - Three Banded Armadillos
- Brazilian Three-banded Armadillo - Tolypeutes tricinctus
 - Southern Three-banded Armadillo - Tolypeutes matacus
 
 
 - Pichiciegos
- Fairy Armadillos
- Greater Fairy Armadillo - Chlamyphorus retusus
 - Pink Fairy Armadillo - Chlamyphorus truncatus
 
 
 
 
- Megalonychid Sloths
- Two-toed Sloths
- Hoffman's or Two-toed Sloth - Choloepus hoffmanni
            
 - Linnaeus' Two-toed Sloth - Cholopus didactylus
 
 
 
- Three-toed Sloths
- Brown-throated Sloth - Bradypus variegatus
 - Maned Sloth - Bradypus torquatus
 - Three-toed Sloth - Bradypus tridactylus