| Nominal Species (n = 3) | Present allocation (n = 3) | Ref. |
|---|---|---|
| Placopsilina bradyi Cushman & McCulloch, 1939 | Placopsilina bradyi | 3477 |
| Placopsilina cenomana d’Orbigny, 1850 | Placopsilina cenomana | 3477 |
| Placopsilina vesicularis Brady, 1879 | Placopsilina vesicularis | 3477 |