Histeridae Gyllenhal, 1808
Geomysaprinus audax (Casey, 1893)
Geomysaprinus belioculus (Marseul, 1862)
Geomysaprinus bicirculus (Marseul, 1870)
Geomysaprinus castanipennis (Fall, 1919)
Geomysaprinus cheyennensis (Casey, 1916)
Geomysaprinus copei (Horn, 1873)
Geomysaprinus floridae (Horn, 1873)
Geomysaprinus formicus (Hinton, 1935)
Geomysaprinus goffi Ross, 1940
Geomysaprinus lanei (McGrath & Hatch, 1941)
Geomysaprinus laramiensis (Casey, 1893)
Geomysaprinus moniliatus (Casey, 1916)
Geomysaprinus oblongus (Wenzel, 1944)
Geomysaprinus obscurus (J. L. LeConte, 1851)
Geomysaprinus obsidianus (Casey, 1893)
Geomysaprinus obsoletus (Casey, 1916)
Geomysaprinus paeminosus (J. L. LeConte, 1851)
Geomysaprinus parumpunctatus (J. L. LeConte, 1859)
Geomysaprinus pectoralis (J. L. LeConte, 1851)
Geomysaprinus pinorum (Casey, 1924)
Geomysaprinus posthumus (Marseul, 1855)
Geomysaprinus quaesitus (Lewis, 1888)
Geomysaprinus rugosifrons (Fall, 1919)
Geomysaprinus saulnieri Kovarik & Verity in Kovarik, Verity & Mitchell, 1999
Geomysaprinus subtropicus (Casey, 1924)
Geomysaprinus suffusus (Casey, 1916)
Geomysaprinus tibialis Ross, 1940
Geomysaprinus triangulifer (Marseul, 1855)