Xenarthra


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Xenarthra

[zə′när·thrə]
(vertebrate zoology)
A suborder of mammals in the order Edentata including sloths, anteaters, and related forms; posterior vertebrae have extra articular facets and vertebrae in the hip, and shoulder regions tend to be fused.
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Geoffroy, 1803) 12 Monodelphis peruviana (Osgood, 1913) 13 Philander opossum (Linnaeus, 1758) Xenarthra Dasypodidae 14 Dasypus kappleri Krauss, 1862 15 Dasypus novemcinctus Linnaeus, 1758 16 Cabassous unicinctus (Linnaeus, 1758) 17 Priodontes maximus (Kerr, 1792) Bradypodidae 18 Bradypus variegatus Schinz, 1825 Megalonychidae 19 Choloepus sp.
Arrangement is in sections devoted to animals that are aquatic, reptiles & amphibians, birds, mammals, xenarthra, marsupials, primates, chiroptera, carnivores, marine mammals, elephants, perrissodactyla, artiodactylids, and camelids.
Researchers collected data on the maximum size for major groups of land mammals on each continent, including Perissodactyla, odd-toed ungulates such as horses and rhinos; Proboscidea, which includes elephants, mammoth and mastodon; Xenarthra, the anteaters, tree sloths, and armadillos; as well as a number of other extinct groups.
The extinct sloth, Megalonyx (Mammalia: Xenarthra), from the United States mid-Atlantic continental shelf.