| Gnathium atrum Dugès, 1889 |
| Gnathium flavicolle (LeConte, 1858) |
| Gnathium flavum Dugès, 1889 |
| Gnathium francilloni Kirby, 1818 |
| Gnathium longicolle (LeConte, 1858) |
| Gnathium minimum (Say, 1824) |
| Gnathium nitidum Horn, 1870 |
| Gnathium walckenaeri Laporte, 1840 |
| Horiini Latreille, 1802 |
| Hornia Riley, 1877 |
| Hornia mexicana Dugès, 1889 |
| Hornia mexicana subsp. blomi MacSwain, 1958 |
| Hornia mexicana subsp. mexicana Dugès, 1889 |
| Linsleya MacSwain, 1951 |
| Linsleya (Linsleya) MacSwain, 1951 |
| Linsleya (Linsleya) convexa (LeConte, 1853) |
| Linsleya (Linsleya) suavissima (Wellman, 1910) |
| Lytta Fabricius, 1775 |
| Lytta (Adicolytta) Selander, 1960 |
| Lytta (Adicolytta) cardinalis Chevrolat, 1833 |