| Siphonaria G. B. Sowerby I, 1823 |
| Siphonaria aequilorata Reeve, 1856 |
| Siphonaria alternata (Say, 1826) |
| Siphonaria brannani Stearns, 1873 |
| Siphonaria gigas G. B. Sowerby I, 1825 |
| Siphonaria maura G. B. Sowerby I, 1835 |
| Siphonaria palmata Carpenter, 1857 |
| Siphonaria pectinata (Linnaeus, 1758) |
| Siphonariidae Gray, 1827 |
| Williamia Monterosato, 1884 |
| Williamia krebsii (Mörch, 1877) |