Staphylinidae Latreille, 1802
Sonoma cascadia Chandler, 1986
Sonoma cavifrons Casey, 1887
Sonoma conifera Chandler, 1986
Sonoma corticina Casey, 1887
Sonoma cuneata Marsh & Schuster, 1962
Sonoma dilopha Marsh & Schuster, 1962
Sonoma dolabra Marsh & Schuster, 1962
Sonoma grandiceps Casey, 1894
Sonoma hespera Park & Wagner, 1962
Sonoma humilis Marsh & Schuster, 1962
Sonoma isabellae (LeConte, 1851)
Sonoma konkoworum Chandler, 2003
Sonoma margemina Park & Wagner, 1962
Sonoma olycalida Park & Wagner, 1962
Sonoma parviceps (Mäklin, 1852)
Sonoma petersi Chandler, 1986
Sonoma priocera Marsh & Schuster, 1962
Sonoma quercicola Chandler, 1986
Sonoma repanda Marsh & Schuster, 1962
Sonoma rubida Casey, 1894
Sonoma russelli Chandler, 1986
Sonoma spadica Marsh & Schuster, 1962
Sonoma tehamae Chandler, 2003
Sonoma tolulae (LeConte, 1849)
Sonoma triloba Marsh & Schuster, 1962
Sonoma vanna Marsh & Schuster, 1962
Sonoma wintuorum Chandler, 2003
