Jerarquía taxonómica:
Cricetidae → Sigmodon arizonae Mearns, 1890

Familia:
Cricetidae

Autor:
Mearns, 1890

Sinónimos:
Sigmodon hispidus subsp. arizonae Mearns, 1890
Sigmodon arizonae subsp. cienegae Howell, 1919
Sigmodon hispidus subsp. cienegae Howell, 1919
Sigmodon hispidus subsp. jacksoni Goldman, 1918
Sigmodon hispidus subsp. major Bailey, 1902
Sigmodon arizonae subsp. major Bailey, 1902
Sigmodon hispidus subsp. plenus Goldman, 1928