| Paradiopatra Ehlers, 1887 |
| Paradiopatra barrazai de León-González, Rivera & Romero, 2004 |
| Paradiopatra fragosa (Ehlers, 1887) |
| Paradiopatra glutinatrix Ehlers, 1887 |
| Paradiopatra hartmanae (Kirkegaard, 1980) |
| Paradiopatra lepta (Chamberlin, 1919) |
| Paradiopatra litabranchia (Chamberlin, 1919) |
| Paradiopatra papillata (Kucheruck, 1979) |
| Paradiopatra parva (Moore, 1911) |
| Paradiopatra pycnobranchiata (McIntosh, 1885) |
| Paradiopatra quadricuspis (Sars, 1872) |
| Paranorthia Moore, 1903 |
| Paranorthia fissurata Fauchald, 1972 |
| Paronuphis Ehlers, 1887 |
| Paronuphis bermudensis Hartman, 1965 |
| Ramphobrachium Ehlers, 1887 |
| Rhamphobrachium Ehlers, 1887 |
| Rhamphobrachium agassizi Ehlers, 1887 |
| Rhamphobrachium atlanticum Day, 1973 |
| Rhamphobrachium diversisetosum Monro, 1937 |