| Fennera Holthuis, 1951 |
| Fennera chacei Holthuis, 1951 |
| Gnathophylloides Schmitt, 1933 |
| Gnathophylloides mineri Schmitt, 1933 |
| Gnathophyllum Latreille, 1819 |
| Gnathophyllum americanum Guérin-Méneville, 1855 |
| Gnathophyllum modestum Hay, 1917 |
| Gnathophyllum panamense Faxon, 1893 |
| Harpiliopsis Borradaile, 1917 |
| Harpiliopsis depressa (Stimpson, 1860) |
| Harpiliopsis depressus (Stimpson, 1860) |
| Harpiliopsis spinigera (Ortmann, 1890) |
| Harpilius Dana, 1852 |
| Harpilius depressus Stimpson, 1860 |
| Holthuisaeus Anker & De Grave, 2010 |
| Holthuisaeus bermudensis (Armstrong, 1940) |
| Leander Desmarest, 1849 |
| Leander gracilis Smith, 1871 |
| Leander northropi Rankin, 1898 |
| Leander tenuicornis (Say, 1818) |