Lepidopsocidae
Pteroxanium evansi Smithers & Thornton, 1974
Pteroxanium forcepetum Garcia Aldrete, 1984
Pteroxanium funebre Badonnel, 1963
Pteroxanium insularum Smithers & Thornton, 1974
Pteroxanium kelloggi (Ribaga, 1905)
Pteroxanium marrisi Smithers, 2000
Pteroxanium oaxacanum Garcia Aldrete, 1985
Pteroxanium ralstonae Smithers & Thornton, 1974