Although formerly designated in the Order Edentata, signifying "toothless", only the anteaters lack teeth.

All the anteaters have long rostra, very small mouths and long tongues. The claws on their front paws are long and capable of tearing apart termite mounds. The giant anteater is terrestrial, whereas the Tamandua and Cyclopes are both terrestrial and arboreal.

The tree sloths are arboreal with long limbs, syndactylous toes and large curved claws, with which they locomote and hang suspended from trees. They are vegetarian, and have teeth that are cylindrical and evergrowing

 

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SUBORDER FOLIVORA
Family Megalonychidae

• Linnaeus's Two-toed Sloth (Choloepus didactylis)

SUBORDER VERMILINGUA
Family Myrmecophagidae

• Giant Anteater (Myrmecophaga tridactyla)
• Southern Tamandua (Collared Anteater) (Tamandua tetradactyla)