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glyptodontidae
Glyptodonts are an extinct family of large, heavily armored cingulate xenarthrans related to the extinct pampatheres and modern armadillos.
==Evolution==
Glyptodonts first evolved during the Miocene in South America, which remained their center of species diversity. For example, an Early Miocene glyptodont with many primitive features, when compared to other species, ''Parapropalaehoplophorus septentrionalis'', was discovered at a now-elevated site in Chile and described in 2007.〔(【引用サイトリンク】title=Andean Highlands In Chile Yield Ancient South American Armored Mammal Fossil )〕 When the Isthmus of Panama formed about three million years ago, several species, such as ''Glyptotherium texanum'', spread north as part of the Great American Interchange, as did pampatheres and armadillos.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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