Los dasipódidos (Dasypodidae), conocidos comúnmente como armadillos, son una familia de mamíferos placentarios del orden Cingulata. Se caracterizan por poseer un caparazón dorsal formado por las placas yuxtapuestas, ordenadas por lo general en filas transversales, con cola bastante larga y extremidades cortas.

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Armadillos are New World placental mammals with a leathery armour shell. The Chlamyphoridae and Dasypodidae are the only surviving families in the order Cingulata, part of the superorder Xenarthra, along with the anteaters and sloths. The word armadillo means "little armoured one" in Spanish. The Aztecs called them āyōtōchtli [aːjoːˈtoːt͡ʃt͡ɬi], Nahuatl for "turtle-rabbit": āyōtl [ˈaːjoːt͡ɬ] (turtle) and tōchtli [ˈtoːt͡ʃt͡ɬi] (rabbit). The European Portuguese word for armadillo is armadilho Portuguese pronunciation: [aɹmaˈdʒiʎu] and in South America the most common denomination is tatu Portuguese pronunciation: [taˈtu] which derives from the Tupi language. About nine extant genera and 21 extant species of armadillo have been described, some of which are distinguished by the number of bands on their armour. Their average length is about 75 cm (30 in), including tail. The giant armadillo grows up to 150 cm (59 in) and weighs up to 54 kg (119 lb), while the pink fairy armadillo is a diminutive species, with an overall length of 13–15 cm (5–6 in). All species are native to the Americas, where they inhabit a variety of different environments. Recent genetic research suggests that an extinct group of giant armoured mammals, the glyptodonts, should be included within the lineage of armadillos, having diverged some 35 million years ago, much more recently than previously assumed.

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