Xenarthra (/ z ɛ ˈ n ɑːr θ r ə /; from Ancient Greek ξένος, xénos, "foreign, alien" + ἄρθρον, árthron, "joint") is a major clade of placental mammals native to the Americas. There are 31 living …

2019年8月25日 · Xenarthra is the group of mammals that contains the sloths, anteaters and armadillos. Xenarthra is a ‘superorder’ – a group of related animals that contains other, smaller …

xenarthran, (magnorder Xenarthra), an ancient lineage of mammals comprising the armadillos (order Cingulata) and the sloths and anteaters (order Pilosa). The namesake feature shared …

The Pilosa contains sloths and anteaters, also known as the hairy xenarthrans, and the Cingulata includes the extinct glyptodonts and armadillos, the animals with bony carapaces. The group …

Anteaters, armadillos, and sloths are a group of eutherian mammals known as the Xenarthra. They were once placed in the order Edentata and are still often referred to as edentates, a …

Apart from being among the most unusual of Neotropical creatures, the xenarthrans are together one of the most ancient groups of mammals — perhaps descendants of the earliest radiation …

"Xenarthra" is a combination of Greek words meaning "strange joints." In xenarthrans, three pairs of joints connect some vertebrae (backbone segments) in the backbone. In addition, …