| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Pomatiopsis binneyi Tryon, 1863 | Pomatiopsis binneyi | 19 |
| Pomatiopsis californica Pilsbry, 1899 | Pomatiopsis californica | 19 |
| Pomatiopsis chacei Pilsbry, 1937 | Pomatiopsis chacei | 19 |
| Cecina manchurica Adams, 1861 | Cecina manchurica | 19 |