Jerarquía taxonómica:
Tenebrionidae → Eusattus difficilis LeConte, 1851

Familia:
Tenebrionidae

Autor:
LeConte, 1851

Sinónimos:
Eusattus coquilletti Linell, 1899
Eusattus agnatus Casey, 1908
Eusattus compositus Casey, 1908
Eusattus congener Casey, 1908
Eusattus acutangulus Casey, 1908