Jerarquía taxonómica:
Xanthonychidae → Sonorella (Sonorella) walkeri subsp. walkeri Pilsbry & Ferriss, 1915

Familia:
Xanthonychidae

Autor:
Pilsbry & Ferriss, 1915

Sinónimos:
Sonorella montana Pilsbry & Ferriss, 1919
Sonorella walkeri Pilsbry & Ferriss, 1915
Sonorella walkeri subsp. aguacalientensis Pilsbry & Ferriss, 1923
Sonorella walkeri subsp. walkeri Pilsbry & Ferriss, 1915
Sonorella walkeri subsp. montana Pilsbry & Ferriss, 1923