| Gnathotrichus denticulatus Blackman, 1931 |
| Gnathotrichus imitans Wood, 1967 |
| Gnathotrichus materiarius (Fitch, 1858) |
| Gnathotrichus nimifrons Wood, 1967 |
| Gnathotrichus nitidifrons Hopkins, 1905 |
| Gnathotrichus obscurus Wood, 1974 |
| Gnathotrichus perniciosus Wood, 1967 |
| Gnathotrichus pilosus (LeConte, 1868) |
| Gnathotrichus primus (Bright, 1972) |
| Gnathotrichus retusus (LeConte, 1868) |
| Gnathotrichus sulcatus (LeConte, 1868) |
| Gnathotrupes Schedl, 1951 |
| Gnathotrupes bituberculatus (Blandford, 1904) |
| Gononotus LeConte, 1876 |
| Gononotus angulicollis (Suffrian, 1871) |
| Grypidiopsis Champion, 1902 |
| Grypidiopsis variegata Champion, 1902 |
| Guioperini Lacordaire, 1865 |
| Guioperus Perty, 1832 |
| Guioperus sexsignatus Champion, 1905 |