| Pionosyllis uraga Imajima, 1966 |
| Pionosyllis weismanni Langerhans, 1879 |
| Plakosyllis Hartmann-Schröder, 1956 |
| Plakosyllis quadrioculata Perkins, 1981 |
| Proceraea Ehlers, 1864 |
| Proceraea anopla (Monro, 1933) |
| Proceraea cornuta (Agassiz, 1862) |
| Proceraea rubroproventriculata Nygren & Gidholm, 2001 |
| Procerea Ehlers, 1864 |
| Pseudobrania San Martín, 1984 |
| Pseudobrania clavata (Claparède, 1863) |
| Pseudobrania euritmica Sardá, 1984 |
| Pseudobrania limbata (Claparède, 1868) |
| Pseudobrania vieitezi San Martín, 1984 |
| Pseudosyllides Augener, 1927 |
| Pseudosyllides mexicana Góngora-Garza & de León-González, 1993 |
| Pterosyllis Claparède, 1863 |
| Pterosyllis dorsigera Claparède, 1864 |
| Salvatoria McIntosh, 1885 |
| Salvatoria clavata (Claparède, 1863) |