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Temporal range: Paleocene – Holocene
|Several species of modern day xenarthrans|
|Orders and suborders|
Xenarthrans are a large group of placental mammals. In this group are the sloths, armadillos, pangolins, and tamanduas. What separates Xenarthrans from other placental mammals is the extra-articulated joints. It is one of four super-orders of mammals; the other three are Laurasiatheria, Afrotheria, and Euarchontoglires.