| Nominal Species (n = 97) | Present allocation (n = 93) | Ref. |
|---|---|---|
| Hyalinoecia abranchiata Lechapt, 1997 | Hyalinoecia abranchiata | 8357 |
| Nothria abranchiata McIntosh, 1885 | Anchinothria pycnobranchiata | 3477 |
| Nothria abyssalis Fauchald, 1968 | Nothria abyssalis | 19 |
| Leptoecia abyssorum Chamberlin, 1919 | Paronuphis abyssorum | 75097 |
| Rhamphobrachium agassizi Ehlers, 1887 | Rhamphobrachium agassizi | 19 |
| Diopatra amboinensis Audouin & Milne-Edwards, 1833 | Diopatra amboinensis | 8357 |
| Nothria anoculata Orensanz, 1974 | Nothria anoculata | 87389 |
| Nothria armandi McIntosh, 1885 | Sarsonuphis armandi | 3477 |
| Nothria atlantica Hartman, 1965 | Nothria atlantica | 7866 |
| Nothria atlantisa Hartman, 1965 | Kinbergonuphis atlantisa | 3477 |
| Onuphis aucklandensis Augener, 1924 | Onuphis aucklandensis | 2663 |
| Mooreonuphis bajacalifornica de León-González, 1988 | Mooreonuphis bajacalifornica | 8159 |
| Hyalinoecia bathyalis Lechapt, 1997 | Hyalinoecia bathyalis | 8357 |
| Australonuphis beltrani de León-González & Góngora-Garza, 1994 | Australonuphis beltrani | 8159 |
| Diopatra bengalensis Hartman, 1974 | Diopatra bengalensis | 2663 |
| Hyalinoecia benthaliana McIntosh, 1885 | Paronuphis benthaliana | 3477 |
| Hyalinoecia bermudensis Hartman, 1965 | Hyalinoecia bermudensis | 7866 |
| Onuphis branchiata Treadwell, 1939 | Onuphis branchiata | 8288 |
| Onuphis brevicirris Hartmann-Schröder, 1959 | Onuphis brevicirris | 8159 |
| Diopatra bulohensis Tan & Chou, 1996 | Diopatra bulohensis | 3477 |
| Diopatra californica Treadwell, 1937 | Diopatra splendidissima | 75097 |
| Paradiopatra calliopae Arvanitidis & Koukouras, 1997 | Paradiopatra calliopae | 3477 |
| Paradiopatra capbretonensis Aguirrezabalaga, Ceberio & Paxton, 2002 | Paradiopatra capbretonensis | 8357 |
| Onuphis cedroensis Fauchald, 1968 | Onuphis cedroensis | 19 |
| Diopatra chiliensis de Quatrefages, 1865 | Diopatra chiliensis | 8159 |
| Rhamphobrachium chuni Ehlers, 1908 | Rhamphobrachium chuni | 2663 |
| Nothria cirrata Hartman, 1944 | Nothria cirrata | 19 |
| Onuphis conchylega Audouin & Milne-Edwards, 1833 | Nothria conchylega | 3477 |
| Rhamphobrachium cristobalensis Fauchald, 1968 | Rhamphobrachium cristobalensis | 8159 |
| Rhamphobranchium cristobalensis Fauchald, 1968 | Rhamphobrachium cristobalensis | 75097 |
| Diopatra dentata Kinberg, 1865 | Diopatra dentata | 8159 |
| Diopatra denticulata Fauchald, 1968 | Diopatra denticulata | 19 |
| Diopatra dexiognatha Paxton & Bailey-Brock, 1986 | Diopatra dexiognatha | 3477 |
| Rhamphobrachium diversisetosum Moore, 1937 | Rhamphobrachium diversisetosum | 7866 |
| Hyalinoecia edwardsi Roule, 1906 | Hyalinoecia edwardsi | 3477 |
| Rhamphobrachium ehlersi Monro, 1930 | Rhamphobrachium ehlersi | 3477 |
| Nothria elegans Johnson, 1901 | Nothria elegans | 8159 |
| Mooreonuphis elsiae de León-González, 1994 | Mooreonuphis elsiae | 8159 |
| Onuphis eremita Audouin & Milne-Edwards, 1883 | Onuphis eremita | 19 |
| Onuphis falesia Castelli, 1982 | Onuphis falesia | 1398 |
| Diopatra farallonensis Fauchald, 1968 | Diopatra farallonensis | 19 |
| Paradiopatra fragosa Ehlers, 1887 | Paradiopatra fragosa | 19 |
| Onuphis furcatoseta Monro, 1937 | Sarsonuphis furcatoseta | 2663 |
| Northia geophiliformis Moore, 1903 | Nothria geophiliformis | 75097 |
| Onuphis gorgonensis Monro, 1933 | Nothria gorgonensis | 8159 |
| Nothria guadalupensis Fauchald, 1968 | Mooreonuphis guadalupensis | 19 |
| Diopatra hannelorae Steiner & Amaral, in Seixas et al., 2020 | Diopatra hannelorae | 3477 |
| Nothria hawaiiensis Pettibone, 1970 | Nothria hawaiiensis | 19 |
| Onuphis holobranchiata Marwnzeller, 1879 | Onuphis holobranchiata | 19 |
| Onuphis investigatoris Fauvel, 1932 | Kinbergonuphis investigatoris | 2663 |
| Northia iridescens Johnson, 1901 | Nothria iridescens | 75097 |
| Mooreonuphis jonesi Fauchald, 1982 | Mooreonuphis jonesi | 7866 |
| Hyalinoecia juvenalis Moore, 1911 | Hyalinoecia juvenalis | 19 |
| Hyalinoecia leucarca Chamberlin, 1919 | Hyalinoecia leucarca | 8159 |
| Diopatra leuckarti Kinberg, 1865 | Diopatra leuckarti | 3477 |
| Onuphis litoralis Monro, 1933 | Onuphis litoralis | 8159 |
| Rhamphobrachium longisetosum Berkeley & Berkeley, 1938 | Rhamphobrachium longisetosum | 8159 |
| Rhamphobranchium longisetosum Berkeley & Berkeley, 1938 | Rhamphobrachium longisetosum | 75097 |
| Diopatra marinae Steiner & Amaral, in Seixas et al., 2020 | Diopatra marinae | 3477 |
| Diopatra marocensis Paxton, Fadlaoui, & Lechapt, 1995 | Diopatra marocensis | 8357 |
| Diopatra mexicana de Leòn-Gonzàlez, 1994 | Diopatra mexicana | 8159 |
| Nothria mexicana Fauchald, 1968 | Nothria mexicana | 19 |
| Onuphis microbranchiata Fauchald, 1968 | Mooreonuphis microbranchiata | 19 |
| Onuphis microcephala Hartman, 1944 | Kinbergonuphis microcephala | 19 |
| Diopatra neapolitana Delle Chiaje, 1841 | Diopatra neapolitana | 2663 |
| Diopatra neotridens Hartman, 1944 | Diopatra neotridens | 7866 |
| Nothria nr. Atlantisa Hartman, 1965 | Kinbergonuphis atlantisa | 82612 |
| Diopatra obliqua Hartman, 1954 | Diopatra obliqua | 19 |
| Nothria occidentalis Fauchald, 1968 | Nothria occidentalis | 19 |
| Diopatra ornata Moore, 1911 | Diopatra ornata | 19 |
| Diopatra papillata Fauchald, 1968 | Diopatra papillata | 19 |
| Sarsonuphis paucibranchus Fauchald, 1982 | Paradiopatra paucibranchis | 83336 |
| Diopatra pectiniconicum Steiner & Amaral, in Seixas et al., 2020 | Diopatra pectiniconicum | 3477 |
| Onuphis pigmentata Fauchald, 1968 | Onuphis pigmentata | 19 |
| Onuphis profundi Fauchald, 1968 | Onuphis profundi | 19 |
| Onuphis pseudoiridescens Averincev, 1972 | Onuphis pseudoiridescens | 3477 |
| Onuphis pulchra Fauchald, 1980 | Onuphis pulchra | 7866 |
| Onuphis punggolensis Tan & Chou, 1998 | Onuphis punggolensis | 3477 |
| Nothria pygidialis Fauchald, 1968 | Nothria pygidialis | 19 |
| Onuphis quadricuspis Sars, 1872 | Onuphis quadricuspis | 19 |
| Americonuphis reesei Fauchald, 1973 | Americonuphis reesei | 7866 |
| Diopatra rhizophorae Grube, 1856 | Diopatra rhizophorae | 8159 |
| Hyalinoecia robusta Southward, 1977 | Hyalinoecia robusta | 19 |
| Nothria similis Fauchald, 1968 | Nothria similis | 19 |
| Diopatra splendidissima Kinberg, 1857 | Diopatra splendidissima | 7866 |
| Hyalinoecia stricta Moore, 1911 | Hyalinoecia stricta | 19 |
| Diopatra sugokai lzuka, 1907 | Diopatra sugokai | 3477 |
| Hyalinoecia tecton Chamberlin, 1919 | Hyalinoecia tecton | 8159 |
| Onuphis texana Fauchald, 1982 | Onuphis texana | 7866 |
| Diopatra tridentata Hartman, 1944 | Diopatra tridentata | 19 |
| Diopatra variabilis Southern, 1921 | Diopatra variabilis | 3477 |
| Onuphis variolata Shen, 1987 | Onuphis variolata | 3477 |
| Onuphis vermillionensis Fauchald, 1968 | Paradiopatra vermillionensis | 19 |
| Onuphis vexillaria Moore, 1911 | Kinbergonuphis vexillaria | 19 |
| Diopatra victoriae Steiner & Amaral, in Seixas et al., 2020 | Diopatra victoriae | 3477 |
| Nothria willemoesii McIntosh, 1885 | Onuphis williemoesi | 3477 |
| Aponuphis willsiei Cantone & Bellan, 1995 | Aponuphis willsiei | 3477 |