Definition of "xenarthran"

Elephant-shrews, xenarthrans, hystricognathous rodents, cetaceans, some pinnipeds, and primates depart sharply from this trend, however.

1978, Terry A. Vaughan, James M. Ryan, Nicholas J. Czaplewski, Mammalogy, page 355

Xenarthrans appear to have originated in South America and to have undergone their major adaptive radiation there (Reig 1981).

2000, John F. Eisenberg, Kent H. Redford, Mammals of the Neotropics, volume 3, Ecuador, Bolivia, Brazil, page 90

Only four xenarthran families are extant today, providing little indication of the past richness of the order.

2008, Christine Argot, “3: Changing Views in Paleontology: The Story of a Giant (Megatherium, Xenarthra)”, in Eric J. Sargis, Marian Dagosto, editors, Mammalian Evolutionary Morphology: A Tribute to Frederick S. Szalay, page 37

Marsupials and xenarthrans, which represented the autochthonous mammalian fauna, were T.[Trypanosoma] cruzi’s first hosts.

2010, Ana Maria Jansen, André Luiz Rodrigues Roque, 11: Domestic and Wild Mammalian Reservoirs, Jenny Telleria, Michel Tibayrenc, American Trypanosomiasis: Chagas Disease: One Hundred Years of Research, page 249