| Amphiacantha Matsumoto, 1917 |
| Amphiacantha amphacantha (McClendon, 1909) |
| Amphiacantha gastracantha (Lütken & Mortensen, 1899) |
| Amphichondrius Nielsen, 1932 |
| Amphichondrius granulatus (Lütken & Mortensen, 1899) |
| Amphichondrius granulosus Nielsen, 1932 |
| Amphichondrius laevis Ziesenhenne, 1940 |
| Amphichondrius unamexici Caso, 1983 |
| Amphigyptis Nielsen, 1932 |
| Amphigyptis perplexa Nielsen, 1932 |
| Amphiodia Verrill, 1899 |
| Amphiodia (Amphispina) Nielsen, 1932 |
| Amphiodia (Amphispina) digitata Nielsen, 1932 |
| Amphiodia (Amphispina) urtica (Lyman, 1860) |
| Amphiodia barbarae (Lyman, 1875) |
| Amphiodia erecta Koehler, 1914 |
| Amphiodia guillermosoberoni Caso, 1979 |
| Amphiodia occidentalis (Lyman, 1860) |
| Amphiodia oerstedi (Lütken, 1856) |
| Amphiodia partita (Koehler, 1897) |