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

Species List