glyptodon
noun
glyp·to·don
| \ ˈgliptəˌdän\
Definition of glyptodon
1
capitalized
: a genus of large extinct mammals (order Edentata) that are related to the armadillos, have a head shield, have the back covered by a large rigid carapace composed of small 5-sided or 6-sided bony plates covered with horny plates and the tail encircled by rings of bony plates, and are represented by numerous remains in the Pleistocene of South America and of southern North America
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