Abstract
Xenarthra is a group of placental mammals with broad temporal and geographic ranges, composed of two major clades - Pilosa (Sloths and Anteaters) and Cingulata (Armadillos, Glyptodonts, and Pampatheres). Historically, the phylogeny of Xenartra has been mostly studied using morphological data, but molecular evidence has taken an important role in recent years, including the sampling of ext…