Euphractus Wagler, 1830 . Natürliches Syst. Amphibien, p. 36.

TYPE SPECIES: Dasypus sexcinctus Linnaeus, 1758, by subsequent designation (Palmer, 1904).

SYNONYMS: Encoubertus McMurtrie, 1831 (part); Loricatus Desmarest, 1804 (part); Pseudotroctes Gloger, 1841; Scleropleura Milne-Edwards, 1871; Tatus Olfers, 1818 (part).

COMMENTS: Moeller (1968) included Chaetophractus and Zaedyus in this genus, contra Wetzel (1985ft) whose usage is followed here.