| Averellia Ancey, 1887 |
| Averellia (Trichodiscina) Von Martens, 1892 |
| Averellia (Trichodiscina) cordovana (Pfeiffer, 1856) |
| Averellia suturalis (Pfeiffer, 1846) |
| Miraverellia Baker, 1922 |
| Miraverellia inflata (Thompson, 1859) |
| Miraverellia sumichrasti (Crosse & Fischer, 1872) |
| Miraverelliinae Schileyko, 1991 |
| Trichodiscina Von Martens, 1892 |
| Trichodiscina coactiliata (Deshayes, 1839) |
| Trichodiscina cordovana (Pfeiffer, 1856) |
| Trichodiscina oajacensis (Kock, 1842) |
| Trichodiscina sinaloa Pilsbry, 1954 |
| Trichodiscina suturalis (Pfeiffer, 1846) |
| Trichodiscina suturalis subsp. suturalis (Pfeiffer, 1846) |
| Trichodiscinidae H. Nordsieck, 1987 |
| Trichodiscininae H. Nordsieck, 1987 |