| Geomysaprinus subdiptycus Mazur, 1984 |
| Gnathoncus J. DuVal, 1858 |
| Gnathoncus nanus Reichardt, 1941 |
| Gnathoncus ovatulus Mazur, 1984 |
| Gnathoncus ovulatus Casey, 1916 |
| Gnathoncus punctulatus Thompson, 1862 |
| Gnathoncus punctulatus var. pygidialis Ganglbauer, 1899 |
| Gnathoncus rotundatus (Kugelann, 1792) |
| Gnathoncus rotundatus var. punctulatus Reitter, 1896 |
| Gnathoncus rotundatus var. subsuturalis Reitter, 1896 |
| Haeterius Dejean, 1833 |
| Haeterius helenae Mann, 1914 |
| Haeterius morsus LeConte, 1859 |
| Halacritus A. Schmidt, 1893 |
| Halacritus blackwelderi Wenzel, 1944 |
| Halacritus blackwelderi subsp. pacificus Gomy, 1989 |
| Hemicolonides Reinchensperger, 1939 |
| Hemicolonides parvulus (Lewis, 1891) |
| Hetaeriinae Marseul, 1857 |
| Hetaeriomorphus A. Schmidt, 1893 |