| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pseudosimnia carnea (Poiret, 1789) |
Dwarf red ovula | Mediterranean Sea | |
| Pseudosimnia marginata (Sowerby I, 1828) |
Western Central Pacific | 2.5 | |
| Pseudosimnia pyrifera Cate, 1973 |
Pear simnia | North America | |
| Pseudosimnia vanhyningi (Smith, 1940) |
Western Atlantic | 1.54 | |
| Pseudosimnia whitworthi Cate, 1973 |
Western Pacific | 1.2 |