| Nominal Species (n = 158) | Present allocation (n = 41) | Ref. |
|---|---|---|
| Phascolosoma abyssorum Koren & Danielssen, 1875 | Nephasoma abyssorum | 429 |
| Phascolosoma abyssorum punctatum Hérubel, 1925 | Golfingia elongata | 1840 |
| Golfingia adriatica Murina, 1975 | Golfingia vulgaris | 1840 |
| Phascolosoma albidum Théel, 1875 | Golfingia margaritacea | 538 |
| Phascolosoma anceps Théel, 1905 | Nephasoma minutum | 429 |
| Phascolosoma anderssoni Théel, 1911 | Golfingia anderssoni | 1840 |
| Phascolosoma antarcticum Michaelsen, 1889 | Golfingia margaritacea | 538 |
| Golfingia appendiculata Cutler, E.B. | Golfingia appendiculata | 1871 |
| Phascolosoma appendiculatum Sato, 1934 | Golfingia muricaudata | 538 |
| Phascolosoma aspidosiphonoides Fischer, 1922 | Nephasoma rutilofuscum | 538 |
| Stephanostoma barentsii Horst, 1882 | Golfingia margaritacea | 538 |
| Phascolosoma benhami Stephen, 1948 | Nephasoma abyssorum | 538 |
| Golfingia birsteini Murina, 1973 | Golfingia birsteini | 19 |
| Sipunculus boreale Keferstein, 1865 | Nephasoma eremita | 429 |
| Sipunculus borealis Quatrefages, 1865 | Nephasoma eremita | 538 |
| Phascolosoma bulbosum Southern, 1913 | Nephasoma bulbosum | 429 |
| Golfingia cantabriensis Edmonds, 1960 | Golfingia margaritacea | 1840 |
| Phascolosoma capense Teuscher, 1874 | Golfingia capensis | 1840 |
| Phascolosoma capsiforme Baird, 1868 | Golfingia margaritacea | 538 |
| Phascolosoma catharinae Grübe, 1868 | Thysanocardia catharinae | 1840 |
| Phascolosoma charcoti Hérubel, 1906 | Golfingia elongata | 1840 |
| Phascolosoma cinctum Gerould, 1913 | Nephasoma diaphanes | 538 |
| Phascolosoma cinereum Gerould, 1913 | Nephasoma pellucidum | 1840 |
| Phascolosoma cluthensis Stephen, 1931 | Golfingia elongata | 1840 |
| Nephasoma columbaris Kawauchi & Rice, 2009 | Nephasoma columbaris | 89656 |
| Phascolosoma commune Keferstein, 1863 | Golfingia vulgaris | 1840 |
| Sipunculus communis Quatrefages, 1850 | Golfingia vulgaris | 538 |
| Golfingia confusa zarenkovi Murina, 1974 | Nephasoma confusum | 538 |
| Phascolosoma confusum Sluiter, 1902 | Nephasoma confusum | 1840 |
| Golfingia constricticervix Cutler, 1969 | Nephasoma constricticervix | 429 |
| Phascolosoma constrictum Southern, 1913 | Nephasoma constrictum | 429 |
| Golfingia cutleri Murina, 1975 | Nephasoma cutleri | 538 |
| Phascolosoma cylindratum Keferstein, 1865 | Golfingia elongata | 1840 |
| Phascolosoma delagei Hérubel, 1903 | Nephasoma delagei | 429 |
| Phascolosoma delagei Hérubel, 1903 | Golfingia elongata | 1840 |
| Phascolosoma derjugini Gadd, 1911 | Golfingia elongata | 1840 |
| Phascolosoma diaphanes Gerould, 1913 | Nephasoma diaphanes | 538 |
| Nephasoma diaphanes corrugatum Cutler & Cutler, 1986 | Nephasoma diaphanes | 538 |
| Phascolosoma digitatum Théel, 1875 | Nephasoma eremita | 429 |
| Nephasoma ditadii Kawauchi & Rice, 2009 | Nephasoma ditadii | 89656 |
| Phascolosoma dubium Théel, 1875 | Golfingia vulgaris | 538 |
| Golfingia elachea Fischer, 1952 | Nephasoma eremita | 538 |
| Golfingia elisae Murina, 1977b | Nephasoma wodjanizkii | 1840 |
| Phascolosoma elongatum Keferstein, 1862 | Golfingia elongata | 1840 |
| Sipunculus eremita Sars, 1851 | Nephasoma eremita | 429 |
| Golfingia eremita australe Murina, 1972 | Nephasoma pellucidum | 3477 |
| Phascolosoma eremita australis Benham, 1922 | Nephasoma eremita | 538 |
| Golfingia eremita californica Fischer, 1952 | Nephasoma eremita | 538 |
| Phascolosoma eremita scabra Gerould, 1913 | Nephasoma eremita | 538 |
| Phascolosoma filiforme Sluiter, 1902 | Nephasoma filiforme | 19 |
| Golfingia flagrifera Cutler, E.B. | Golfingia flagrifera | 1871 |
| Phascolosoma flagriferum Selenka, 1885 | Nephasoma flagriferum | 429 |
| Phascolosoma forbesii Baird, 1868 | Golfingia elongata | 1840 |
| Phascolosoma fulgens Théel, 1875 | Golfingia margaritacea | 538 |
| Phascolosoma fuscom Michaelsen, 1889 | Golfingia margaritacea | 538 |
| Phascolosoma georgianum Michaelsen, 1889 | Golfingia margaritacea | 538 |
| Onchnesoma glaciale Danielssen & Koren, 1880 | Nephasoma lilljeborgi | 429 |
| Phascolosoma glossipapillosum Sato, 1934 | Golfingia margaritacea | 538 |
| Phascolosoma hanseni Danielssen & Koren, 1881 | Golfingia margaritacea | 538 |
| Syrinx harveyii Forbes, 1841 | Golfingia vulgaris | 538 |
| Centrosiphon herdmani Shipley, 1903 | Golfingia vulgaris | 538 |
| Phascolosoma hozawai Satô, 1937 | Thysanocardia nigra | 1840 |
| Phascolosoma hudsonianum Chamberlin, 1920 | Golfingia muricaudata | 538 |
| Phascolosoma hyugensis Satô, 1934 | Thysanocardia nigra | 1840 |
| Golfingia ikedai Fisher, 1950 | Golfingia margaritacea | 1840 |
| Phascolosoma improvisum Théel, 1905 | Nephasoma minutum | 538 |
| Phascolosoma incompositum Sluiter, 1912 | Nephasoma abyssorum | 429 |
| Phascolosoma japonicum Ikeda, 1904 | Golfingia margaritacea | 538 |
| Phascolosoma kolense Gadd, 1911 | Golfingia vulgaris | 538 |
| Golfingia laetmophilum Fisher, 1952 | Nephasoma laetmophilum | 19 |
| Homalosoma laeve Orstead in Keferstein, 1865 | Golfingia margaritacea | 538 |
| Phascolosoma lilljeborgii Danielssen & Koren, 1881 | Nephasoma lilljeborgi | 429 |
| Golfingia liochros Cutler & Cutler, 1980 | Golfingia vulgaris | 538 |
| Phascolosoma longicolle Leuckart & Rüppell, 1828 | Golfingia vulgaris | 538 |
| Phascolosoma luteum Théel, 1875 | Golfingia vulgaris | 1840 |
| Golfingia macginitiei Fisher, 1952 | Thysanocardia nigra | 1840 |
| Golfingia mackintoshii Lanchester, 1885 | Golfingia vulgaris | 538 |
| Golfingia margaritacea adelaidensis Edmonds, 1956 | Golfingia margaritacea | 1840 |
| Phascolosoma margaritacea finmarchica Théel, 1905 | Golfingia margaritacea | 1840 |
| Golfingia margaritacea ikedai Fisher, 1950 | Golfingia margaritacea | 538 |
| Phascolosoma margaritaceum antarcticum Michaelsen, 1889 | Golfingia margaritacea | 538 |
| Golfingia margaritaceum californiensis Fisher, 1952 | Golfingia margaritacea | 1840 |
| Phascolosoma margaritaceum hanseni Danielssen & Koren, 1881 | Golfingia margaritacea | 538 |
| Phascolosoma margaritaceum meridionalis Gerould, 1913 | Golfingia margaritacea | 538 |
| Phascolosoma margaritaceum sibirica Théel, 1905 | Golfingia margaritacea | 1840 |
| Phascolosoma margaritaceum trybomi Théel, 1905 | Golfingia margaritacea | 538 |
| Nephasoma marinki Pergament, 1940 | Nephasoma lilljeborgi | 429 |
| Phascolosoma martensi Collin, 1901 | Thysanocardia catharinae | 1840 |
| Phascolosoma mawsoni Benham, 1922 | Golfingia margaritacea | 538 |
| Thysanocardia melanium Popkov, 1993 | Thysanocardia melanium | 1773 |
| Phascolosoma minutum Keferstein, 1863 | Nephasoma minutum | 429 |
| Golfingia mirabilis Murina, 1969 | Golfingia mirabilis | 19 |
| Phascolosoma mucidum Sluiter, 1902 | Nephasoma filiforme | 538 |
| Golfingia multiaraneusa Murina, 1967 | Nephasoma multiaraneusa | 19 |
| Phascolosoma mutabile Southern, 1913 | Golfingia iniqua | 429 |
| Golfingia nicolasi Thompson, 1980b | Nephasoma wodjanizkii | 1840 |
| Phascolosoma nigrum Ikeda, 1904 | Thysanocardia nigra | 1840 |
| Phascolosoma nordenskjoldi Théel, 1911 | Golfingia margaritacea | 538 |
| Phascolosoma noto Sato, 1934 | Golfingia margaritacea | 538 |
| Phascolosoma novae-zealandiae Benham, 1904 | Nephasoma novaezealandiae | 538 |
| Phascolosoma obscurum Baird, 1968 | Golfingia elongata | 1840 |
| Phascolosoma obscurum Baird, 1868 | Golfingia vulgaris | 1840 |
| Sipinculus obscurus de Quatrefages, 1865 | Golfingia elongata | 1840 |
| Sipunculus obscurus Quatrefages, 1865 | Golfingia vulgaris | 1840 |
| Phascolosoma oerstedii Keferstein, 1865 | Golfingia margaritacea | 538 |
| Phascolosoma ohlini Théel, 1911 | Golfingia margaritacea | 538 |
| Phascolosoma okinoseanum Ikeda, 1904 | Golfingia margaritacea | 538 |
| Phascolosoma onagawa Satô, 1937 | Thysanocardia nigra | 1840 |
| Phascolosoma owstoni Ikeda, 1904 | Golfingia vulgaris | 538 |
| Phascolosoma oxyurum Baird, 1868 | Golfingia elongata | 1840 |
| Sipunculus papillosum Thompson, 1840 | Golfingia vulgaris | 1840 |
| Phascolosoma pavlenkoi Ostroumov, 1909 | Thysanocardia nigra | 1840 |
| Golfingia pectinatoides Cutler & Cutler, 1979 | Golfingia pectinatoides | 1840 |
| Phascolosoma pellucidum Keferstein, 1865b | Nephasoma pellucidum | 1840 |
| Nephasoma pellucidum pellucidum Keferstein, 1865 | Nephasoma pellucidum | 1840 |
| Sipunculus pellucidus De Quatrefages, 1865 | Nephasoma pellucidum | 1840 |
| Phascolosoma profundum Roule, 1898 | Golfingia margaritacea | 538 |
| Phascolosoma pudicum Selenka, 1885 | Golfingia margaritacea | 538 |
| Golfingia pugettensis Fisher, 1952 | Thysanocardia nigra | 1840 |
| Sipunculus punctatissimus Gosse, 1853 | Golfingia vulgaris | 538 |
| Phascolosoma riisei Keferstein, 1865b | Nephasoma pellucidum | 1840 |
| Golfingia rimicola Gibbs, 1973 | Nephasoma rimicola | 1840 |
| Phascolosoma rugosum Southern, 1913 | Golfingia iniqua | 429 |
| Aspidosiphon rutilofuscum Fischer, 1916 | Nephasoma rutilofuscum | 1840 |
| Cutlerensis rutilofuscus Popkov, 1991 | Nephasoma rutilofuscum | 538 |
| Phascolosoma sabellariae Théel, 1905 | Nephasoma minutum | 429 |
| Phascolosoma sanderi Collin, 1892 | Golfingia vulgaris | 538 |
| Phascolosoma schüttei Augener, 1903 | Nephasoma schuettei | 1840 |
| Golfingia sectile Murina, 1974 | Nephasoma diaphanes | 538 |
| Phascolosoma semperi Selenka & de Man, 1883 | Thysanocardia catharinae | 1840 |
| Phascolosoma signum Sato, 1934 | Golfingia margaritacea | 538 |
| Phascolosoma sluiteri ten Broeke, 1925 | Nephasoma pellucidum | 1840 |
| Phascolosoma socium Lanchester, 1908 | Golfingia margaritacea | 538 |
| Phascolosoma solitarium Sluiter, 1912 | Golfingia vulgaris | 538 |
| Phascolosoma soyo Sato, 1934 | Golfingia margaritacea | 538 |
| Dendrostoma stephensoni Stephen, 1942 | Golfingia capensis | 1840 |
| Dendrostomum stephensoni Stephen, 1942 | Golfingia capensis | 1840 |
| Phascolosoma subhamatum Sluiter, 1902 | Nephasoma pellucidum | 1840 |
| Golfingia tasmaniensis Murina, 1964 | Nephasoma tasmaniense | 1840 |
| Phascolosoma tenuicinctum Baird, 1868 | Golfingia elongata | 1840 |
| Phascolosoma teres Hutton, 1903 | Golfingia elongata | 1840 |
| Golfingia trichocephala Cutler, E.B. | Golfingia trichocephala | 1871 |
| Phascolosoma trybomi Théel, 1905 | Golfingia margaritacea | 538 |
| Phascolosoma validum Théel, 1875 | Golfingia vulgaris | 538 |
| Phascolosoma verrillii Gerould, 1908 | Nephasoma pellucidum | 1840 |
| Golfingia vitjazi Murina, 1964 | Nephasoma vitjazi | 19 |
| Phascolosoma vulgare astuta Selenka, 1885 | Golfingia vulgaris | 538 |
| Phascolosoma vulgare multipapillosum Hérubel, 1925 | Golfingia vulgaris | 538 |
| Phascolosoma vulgare selenkae Lanchester, 1905 | Golfingia vulgaris | 538 |
| Phascolosoma vulgare tropicum Sluiter, 1902 | Golfingia vulgaris | 538 |
| Sipunculus vulgaris de Blainville, 1827 | Golfingia vulgaris | 538 |
| Golfingia vulgaris antonellae Murina, 2002 | Golfingia vulgaris | 85346 |
| Golfingia vulgaris murinae Stephen & Edmonds, 1972 | Golfingia margaritacea | 538 |
| Golfingia vulgaris queenslandensis Edmonds, 1956 | Golfingia vulgaris | 538 |
| Golfingia vulgaris vesiculosus Murina, 1969 | Golfingia vulgaris | 538 |
| Golfingia vulgarls antartica Murina, 1957 | Golfingia margaritacea | 538 |
| Golfingia wodjanizkii Murina, 1973 | Nephasoma wodjanizkii | 1840 |
| Phascolosoma zenibakense Ikeda, 1924 | Thysanocardia nigra | 1840 |