Jerarquía taxonómica:
Cricetidae → Reithrodontomys megalotis subsp. longicaudus (Baird, 1858)

Familia:
Cricetidae

Autor:
(Baird, 1858)

Sinónimos:
Reithrodontomys klamathensis Merriam, 1899
Reithrodon longicauda Baird, 1858
Reithrodontomys longicauda (Baird, 1858)
Reithrodontomys pallidus Rhoads, 1893
Reithrodontomys megalotis subsp. longicauda (Baird, 1858)
Reithrodontomys longicauda subsp. pallidus Rhoads, 1893