OtonyctomysHatt's vesper rat and Yucatan vesper rat
SuborderMyomorphamice, rats, gerbils, jerboas, and relatives SuperfamilyMuroideamice, rats, gerbils, and relatives FamilyCricetidaeNew World rats and mice, voles, hamsters, and relatives GenusOtonyctomysHatt's vesper rat and Yucatan vesper rat