| Nominal Species (n = 163) | Present allocation (n = 161) | Ref. |
|---|---|---|
| Heptabrachia abyssicola Ivanov, 1952 | Heptabrachia abyssicola | 19 |
| Siboglinum albatrossianum Cutler, 1965 | Siboglinum albatrossianum | 19 |
| Oasisia alvinae Jones, 1985 | Oasisia alvinae | 19 |
| Lamellibrachia anaximandri Southward, Andersen & Hourdez, 2011 | Lamellibrachia anaximandri | 89559 |
| Siboglinum angustum Southward & Brattegard, 1968 | Siboglinum angustum | 19 |
| Polybrachia annulata Ivanov, 1952 | Polybrachia annulata | 19 |
| Sclerolinum annulatum Xu, Sun, Wang, Sen, Qian & Qiu, 2022 | Sclerolinum annulatum | 3477 |
| Siboglinum arabicum Ivanov, 1963 | Siboglinum arabicum | 19 |
| Galathealinum arcticum Southward, 1962 | Galathealinum arcticum | 19 |
| Siboglinum atlanticum Southward & Southward, 1958 | Siboglinum atlanticum | 19 |
| Cyclobrachia auriculata Ivanov, 1960 | Cyclobrachia auriculata | 19 |
| Polarsternium australe Smirnov, 2005 | Polarsternium australe | 7803 |
| Polybrachia barbata Ivanov, 1952 | Polybrachia barbata | 19 |
| Lamellibrachia barhami Webb, 1969 | Lamellibrachia barhami | 19 |
| Siboglinum bayeri Southward, 1971 | Siboglinum bayeri | 19 |
| Diplobrachia belajevi Ivanov, 1960 | Diplobrachia belajevi | 19 |
| Heptabrachia beringensis Ivanov, 1960 | Heptabrachia beringensis | 19 |
| Siboglinum bogorovi Ivanov, 1960 | Siboglinum bogorovi | 19 |
| Galathealinum brachiosum Ivanov, 1961 | Galathealinum brachiosum | 19 |
| Crassibrachia brasiliensis Southward, 1968 | Crassibrachia brasiliensis | 19 |
| Sclerolinum brattstromi Webb, 1964 | Sclerolinum brattstromi | 19 |
| Siboglinum brevicephalum Flugel, 1990 | Siboglinum brevicephalum | 19 |
| Galathealinum bruuni Kirkegaard, 1956 | Galathealinum bruuni | 19 |
| Siboglinum buccelliferum Ivanov, 1960 | Siboglinum buccelliferum | 19 |
| Heptabrachia canadensis Ivanov, 1962 | Heptabrachia canadensis | 19 |
| Siboglinum candidum Southward & Brattegard, 1968 | Siboglinum candidum | 19 |
| Siboglinoides caribbeanus Southward, 1971 | Siboglinoides caribbeanus | 19 |
| Siboglinum carpinei Ivanov, 1970 | Siboglinum carpinei | 81137 |
| Siboglinum caulleryi Ivanov, 1951 | Siboglinum caulleryi | 19 |
| Siboglinum ceylonicum Ivanov, 1963 | Siboglinum ceylonicum | 19 |
| Siboglinum cinctutum Ivanov, 1957 | Siboglinum cinctutum | 19 |
| Unibrachium columbianum Southward, 1972 | Unibrachium columbianum | 19 |
| Siboglinoides columbiensis Ivanov, 1971 | Siboglinoides caribbeanus | 19 |
| Lamellibrachia columna Southward, 1991 | Lamellibrachia columna | 19 |
| Siboglinum concinnum Ivanov, 1963 | Siboglinum concinnum | 19 |
| Sclerolinum contortum Smirnov, 2000 | Sclerolinum contortum | 19 |
| Lamellisabella coronata Southward, 1969 | Lamellisabella coronata | 19 |
| Heptabrachia ctenophora Ivanov, 1962 | Heptabrachia ctenophora | 19 |
| Siboglinum debile Southward, 1961 | Siboglinum debile | 19 |
| Lamellisabella denticulata Southward, 1978 | Lamellisabella denticulata | 19 |
| Siboglinoides dibrachia Ivanov, 1961 | Siboglinoides dibrachia | 19 |
| Oligobrachia dogieli Ivanov, 1957 | Oligobrachia dogieli | 19 |
| Polybrachia eastwardae Southward & Brattegard, 1968 | Polybrachia eastwardae | 19 |
| Paraescarpia echinospica Southward, Schulze & Tunnicliffe, 2002 | Paraescarpia echinospica | 19 |
| Siboglinum ecuadoricum Cutler, 1965 | Siboglinum ecuadoricum | 19 |
| Siboglinum ekmani Jägersten, 1956 | Siboglinum ekmani | 19 |
| Oligobrachia erythrocephala Southward, 1972 | Oligobrachia erythrocephala | 19 |
| Polarsternium evrikae Smirnov, 2005 | Polarsternium evrikae | 7803 |
| Siboglinum exile Ivanov, 1963 | Siboglinum exile | 19 |
| Siboglinum fedotovi Ivanov, 1957 | Siboglinum fedotovi | 19 |
| Osedax fenrisi Eilertsen, Dahlgren & Rapp, 2020 | Osedax fenrisi | 3477 |
| Siboglinum fiordicum Webb, 1963 | Siboglinum fiordicum | 19 |
| Oligobrachia floridana Nielsen, 1965 | Oligobrachia floridana | 19 |
| Diplobrachia floridensis Southward, 1971 | Diplobrachia floridensis | 19 |
| Osedax frankpressi Rouse, Goffredi & Vrijenhoek, 2004 | Osedax frankpressi | 7662 |
| Siboglinum frenigerum Ivanov, 1960 | Siboglinum frenigerum | 19 |
| Oasisia fujikurai Miura & Kojima, 2006 | Oasisia fujikurai | 7824 |
| Siboglinum fulgens Southward & Brattegard, 1968 | Siboglinum fulgens | 19 |
| Bobmarleya gadensis Hilário & Cunha, 2008 | Bobmarleya gadensis | 80977 |
| Krampolinum galathae Kirkegaard, 1956 | Krampolinum galathae | 7834 |
| Siboglinum gosnoldae Southward & Brattegard, 1968 | Siboglinum gosnoldae | 19 |
| Heptabrachia gracilis Ivanov, 1957 | Heptabrachia gracilis | 19 |
| Oligobrachia gracilis Southward, 1978 | Oligobrachia gracilis | 19 |
| Spirobrachia grandis Ivanov, 1952 | Spirobrachia grandis | 19 |
| Diplobrachia grenadiensis Gureeva, 1981 | Diplobrachia grenadiensis | 19 |
| Oligobrachia haakonmosbiensis Smirnov, 2000 | Oligobrachia haakonmosbiensis | 19 |
| Oligobrachia hawaiiensis Southward, 1981 | Oligobrachia hawaiiensis | 19 |
| Siboglinum holmei Southward, 1963 | Siboglinum holmei | 19 |
| Siboglinum hyperboreum Ivanov, 1960 | Siboglinum hyperboreum | 19 |
| Siphonobrachia ilyophora Nielsen, 1965 | Siphonobrachia ilyophora | 19 |
| Choanophorus indicus Bubko, 1965 | Choanophorus indicus | 19 |
| Siboglinum inerme Southward & Southward, 1958 | Siboglinum inerme | 19 |
| Arcovestia ivanovi Southward & Galkin, 1997 | Arcovestia ivanovi | 19 |
| Lamellisabella ivanovi Kirkegaard, 1956 | Lamellisabella ivanovi | 19 |
| Oligobrachia ivanovi Southward, 1959 | Oligobrachia ivanovi | 19 |
| Diplobrachia japonica Ivanov, 1960 | Diplobrachia japonica | 19 |
| Siboglinum japonicum Ivanov, 1960 | Siboglinum japonicum | 19 |
| Osedax japonicus Fujikura, Fujiwara & Kawato, 2006 | Osedax japonicus | 7661 |
| Sclerolinum javanicum Ivanov & Selivanova, 1992 | Sclerolinum javanicum | 19 |
| Tevnia jerichonana Jones, 1985 | Tevnia jerichonana | 19 |
| Lamellisabella johanssoni Ivanov, 1957 | Lamellisabella johanssoni | 19 |
| Seepiophila jonesi Gardiner, McMullin & Fisher, 2001 | Seepiophila jonesi | 19 |
| Lamellibrachia juni Miura & Kojima, 2006 | Lamellibrachia juni | 7824 |
| Galathealinum karaense Smirnov, Zaitseva & Vedenin, 2020 | Galathealinum karaense | 3477 |
| Oligobrachia kernohanae Batham, 1973 | Oligobrachia kernohanae | 19 |
| Siboglinum lacteum Southward, 1963 | Siboglinum lacteum | 19 |
| Escarpia laminata Jones, 1985 | Escarpia laminata | 19 |
| Siphonobrachia lauensis Southward, 1991 | Siphonobrachia lauensis | 19 |
| Spirobrachia leospira Gurjeeva, 1977 | Spirobrachia leospira | 19 |
| Polybrachia lepida Southward & Brattegard, 1968 | Polybrachia lepida | 19 |
| Siboglinum leucopleurum Flugel & Callsen-Cencic, 1993 | Siboglinum leucopleurum | 19 |
| Siboglinum longicollum Southward & Brattegard, 1968 | Siboglinum longicollum | 19 |
| Zenkevitchiana longissima Ivanov, 1957 | Zenkevitchiana longissima | 19 |
| Lamellibrachia luymesi van der Land & Nørrevang, 1975 | Lamellibrachia luymesi | 19 |
| Siboglinum macrobrachium Southward, 1961 | Siboglinum macrobrachium | 19 |
| Polybrachia macrolamellosa Smirnov, 2005 | Polybrachia macrolamellosa | 7805 |
| Sclerolinum magdalenae Southward, 1972 | Sclerolinum magdalenae | 19 |
| Polarsternium magnum Smirnov, 2005 | Polarsternium magnum | 7803 |
| Sclerolinum major Southward, 1973 | Sclerolinum major | 19 |
| Oligobrachia mashikoi Gureeva & Ivanov, 1986 | Oligobrachia mashikoi | 19 |
| Siboglinum mergophorum Nielsen, 1965 | Siboglinum mergophorum | 19 |
| Siboglinum meridiale Ivanov, 1960 | Siboglinum meridiale | 19 |
| Polybrachia mexicanum Adegoke, 1967 | Polybrachia mexicanum | 19 |
| Siboglinum microcephalum Ivanov, 1960 | Siboglinum microcephalum | 19 |
| Sclerolinum minor Southward, 1974 | Sclerolinum minor | 19 |
| Lamellisabella minuta Ivanov, 1963 | Lamellisabella minuta | 19 |
| Siboglinum minutum Ivanov, 1957 | Siboglinum minutum | 19 |
| Polarsternium mirabile Smirnov, 2005 | Polarsternium mirabile | 7803 |
| Siboglinum modestum Bubko, 1967 | Siboglinum modestum | 19 |
| Osedax mucofloris Glover, Källström, Smith & Dahlgren, 2005 | Osedax mucofloris | |
| Nereilinum murmanicum Ivanov, 1961 | Nereilinum murmanicum | 19 |
| Siboglinum nanum Southward, 1972 | Siboglinum nanum | 19 |
| Siboglinum norvegicum Ivanov, 1960 | Siboglinum norvegicum | 19 |
| Siboglinum ordinatum Southward, 1981 | Siboglinum ordinatum | 19 |
| Siboglinum oregoni Southward, 1972 | Siboglinum oregoni | 19 |
| Spirobrachia orkneyensis Smirnov, 2000 | Spirobrachia orkneyensis | 7664 |
| Riftia pachyptila Jones, 1981 | Riftia pachyptila | 19 |
| Lamellisabella pallida Southward, 1976 | Lamellisabella pallida | 19 |
| Siboglinum parvulum Southward, 1972 | Siboglinum parvulum | 19 |
| Siboglinum pellucidum Ivanov, 1957 | Siboglinum pellucidum | 19 |
| Ridgeia phaeophiale Jones, 1985 | Ridgeia piscesae | 19 |
| Siboglinum pholiodotum Southward & Brattegard, 1968 | Siboglinum pholiodotum | 19 |
| Siboglinum pinnulatum Ivanov, 1960 | Siboglinum pinnulatum | 19 |
| Ridgeia piscesae Jones, 1985 | Ridgeia piscesae | 19 |
| Oligobrachia plicata Ivanov & Gureeva, 1980 | Oligobrachia plicata | 19 |
| Siboglinum plumosum Ivanov, 1957 | Siboglinum plumosum | 19 |
| Siboglinum polystichum Southward, 1976 | Siboglinum polystichum | 19 |
| Siboglinum poseidoni Flugel & Langhof, 1983 | Siboglinum poseidoni | 19 |
| Nereilinum punctatum Nielsen, 1965 | Nereilinum punctatum | 19 |
| Siboglinum pusillum Ivanov, 1960 | Siboglinum pusillum | 19 |
| Siboglinum robustum Ivanov, 1960 | Siboglinum robustum | 19 |
| Polybrachia romanovi Smirnov, 2005 | Polybrachia romanovi | 7805 |
| Osedax rubiplumus Rouse, Goffredi & Vrijenhoek, 2004 | Osedax rubiplumus | 7662 |
| Polarsternium rugellosum Smirnov, 1999 | Polarsternium rugellosum | 7803 |
| Siboglinum sandersoni Southward, 1968 | Crassibrachia sandersi | 7943 |
| Lamellibrachia satsuma Miura, Tsukahara & Hashimoto, 1997 | Lamellibrachia satsuma | 19 |
| Siboglinum sergeevi Ivanov, 1963 | Siboglinum sergeevi | 19 |
| Sclerolinum sibogae Southward, 1961 | Sclerolinum sibogae | 19 |
| Siboglinum silone Ivanov, 1963 | Siboglinum silone | 19 |
| Diplobrachia similis Southward & Brattegard, 1968 | Diplobrachia similis | 19 |
| Diplobrachia southwardae Ivanov, 1963 | Diplobrachia southwardae | 19 |
| Escarpia southwardae Andersen, Hourdez, Marie, Jollivet, Lallier & Sibuet, 2004 | Escarpia southwardae | 7667 |
| Siboglinum southwardae Gureeva, 1981 | Siboglinum southwardae | 19 |
| Escarpia spicata Jones, 1985 | Escarpia spicata | 19 |
| Alaysia spiralis Southward, 1991 | Alaysia spiralis | 19 |
| Nereilinum squamosum Smirnov, 1999 | Nereilinum squamosum | 8179 |
| Siboglinum subligatum Ivanov, 1963 | Siboglinum subligatum | 19 |
| Heptabrachia subtilis Ivanov, 1957 | Heptabrachia subtilis | 19 |
| Siboglinum sumatrense Ivanov, 1963 | Siboglinum sumatrense | 19 |
| Siboglinum taeniaphorum Ivanov, 1960 | Siboglinum taeniaphorum | 19 |
| Siboglinum tenue Ivanov, 1960 | Siboglinum tenue | 19 |
| Siboglinum timorense Southward, 1961 | Siboglinum timorense | 19 |
| Spirobrachia tripeira Hilário & Cunha, 2008 | Spirobrachia tripeira | 80977 |
| Siboglinum vancouverensis Southward, 1969 | Siboglinum vancouverensis | 19 |
| Siboglinum variabile Ivanov, 1960 | Siboglinum variabile | 19 |
| Siboglinum veleronis Hartman, 1961 | Siboglinum veleronis | 19 |
| Lamellibrachia victori Mañe-Garzon & Montero, 1985 | Lamellibrachia victori | 19 |
| Siboglinum vinculatum Ivanov, 1960 | Siboglinum vinculatum | 19 |
| Birsteinia vitjasi Ivanov, 1952 | Birsteinia vitjasi | 19 |
| Oligobrachia webbi Brattegard, 1966 | Oligobrachia webbi | 19 |
| Siboglinum weberi Caullery, 1914 | Siboglinum weberi | 19 |
| Lamellisabella zachsi Ushakov, 1933 | Lamellisabella zachsi | 19 |
| Siboglinum zanzibaricum Ivanov, 1963 | Siboglinum zanzibaricum | 19 |