Class Mammalia Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899 Family Capromyidae Smith, 1842 - hutias and nutria Subfamily Plagiodontinae Ellerman, 1940 see Family Capromyidae Smith, 1842 Genus Plagiodontia Cuvier, 1836 - Hispaniolan hutias ‡Plagiodontia araeum Ray, 1964