| Species | Name Used in Reference |
|---|---|
| Ichthyomyzon fossor Reighard & Cummins, 1916 | Ichthyomyzon fossor (p. ) |
| Lampetra fluviatilis (Linnaeus, 1758) | Lampetra fluviatilis (p. ) |
| Lampetra planeri (Bloch, 1784) | Lampetra planeri (p. ) |
| Lethenteron appendix (DeKay, 1842) | Lampetra lamottenii (p. ) |