Aphodiidae
Geomyphilus alabama (Skelley & Gordon, 1995)
Geomyphilus barrerai (Islas, 1955)
Geomyphilus coronadoi (Islas, 1955)
Geomyphilus essigi (Saylor, 1935)
Geomyphilus geronimo Gordon & Skelley, 2007
Geomyphilus insolitus (Brown, 1928)
Geomyphilus kiowensis (Gordon & Salsbury, 1999)
Geomyphilus leptotarsis (Brown, 1928)
Geomyphilus macgregori (Islas, 1955)
Geomyphilus pierai (Lobo & Deloya, 1995)
Geomyphilus pinolus Gordon & Skelley, 2007
Geomyphilus rubiginosus (Horn, 1870)
Geomyphilus russeus (Brown, 1928)
Geomyphilus thomomysi (Brown, 1928)
Geomyphilus ungulatus (Fall, 1901)
Geomyphilus viceversus (Paulsen, 2006)
