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In 2016, a genomic analysis of the glyptodont genus Doedicurus placed it in a clade along with modern armadillos and alongside a sister clade comprising the subfamilies Chlamyphorinae and Tolypeutinae. Consequently, glyptodonts and all armadillos bar Dasypus were relocated to a new family, Chlamyphoridae, with glyptodonts being demoted to the subfamily Glyptodontinae. (See the cladogram at glyptodont on Wikipedia.Wikipedia )
Some authors continue to regard the clade as a family.