Main Characteristics of Xenarthrans

Xenartrhans are mammals. There are about 37 species.
There are six species of sloths, ten species of anteaters and 20 species of armadillos.
Xenarthrans have additional joints on the last thoracic vertebra and on the lumbar vertebra.
Xenarthrans live in tropical areas in Central and South America, except for the nine-banded armadillo, which lives in southern North America.
Xenarthrans are herbivores, insectivores, or omnivores.
The sacrum and ischium of xenarthrans are connected to each other.

Xenarthran Family Tree