a fossil South American edentate mammal of the Cenozoic era, related to armadillos but much larger. Glyptodonts had fluted teeth and a body covered in a thick bony carapace 雕齿兽
Family Glyptodontidae, order Xenarthra (or Edentata): several genera, including Glyptodon 雕齿兽科,异关节目(或贫齿目),数属,包括雕齿兽属