| Nominal Species (n = 230) | Present allocation (n = 216) | Ref. |
|---|---|---|
| Spirorbis africana Sterzinger, 1909 | Spirorbis africana | 2663 |
| Spirorbis aggregata Caullery & Mesnil, 1897 | Paralaeospira aggregata | 75097 |
| Spirobranchus akitsushima Nishi, Abe, Tanaka, Jimi & Kupriyanova, 2022 | Spirobranchus akitsushima | 3477 |
| Protula alba Benedict, 1887 | Protula alba | 7866 |
| Laminatubus alvini ten Hove & Zibrowius, 1986 | Laminatubus alvini | 8159 |
| Protolaeospira ambilateralis Pixell, 1912 | Protolaeospira ambilateralis | 19 |
| Pomatoceros americanus Day, 1973 | Pomatoceros americanus | 7866 |
| Salmacina amphidentata Jones, 1962 | Salmacina amphidentata | 7866 |
| Apomatus ampulliferus Philippi, 1844 | Apomatus ampulliferus | 3477 |
| Metavermilia annobonensis Zibrowius, 1971 | Metavermilia annobonensis | 3477 |
| Neovermilia anoperculata Lechapt, 1992 | Neovermilia anoperculata | 3477 |
| Protula antennata Ehlers, 1887 | Protula antennata | 7866 |
| Metavermilia arctica Kupriyanova, 1993 | Metavermilia arctica | 3477 |
| Circeis armoricana Saint-Joseph, 1894 | Circeis armoricana | 19 |
| Placostegus assimilis McIntosh, 1885 | Placostegus assimilis | 3477 |
| Protula atypha Bush, 1904 | Protula atypha | 19 |
| Spirobranchus bakau Sivananthan, Shantti, Kupriyanova, Quek, Yap & Teo, 2021 | Spirobranchus bakau | 3477 |
| Protula balboensis Monro, 1933 | Protula balboensis | 8159 |
| Spirorbis bellulus Bush, 1904 | Janua brasiliensis | 75097 |
| Spirorbis bidentatus Bailey & Harris, 1968 | Spirorbis bidentatus | 8159 |
| Hydroides bifidus Imajima, 1982 | Hydroides furcifer | 3477 |
| Hydroides bifurcata Pixell, 1913 | Hydroides bifurcatus | 102810 |
| Hydroides bifurcatus Pixell, 1913 | Hydroides bifurcatus | 3477 |
| Helicosiphon biscoeensis Gravier, 1907 | Helicosiphon biscoeensis | 3477 |
| Hydroides bispinosa Bush, 1910 | Hydroides bispinosa | 7866 |
| Serpula bispiralis Savigny, 1822 | Protula bispiralis | 2663 |
| Spirorbis borealis Daudin, 1800 | Spirorbis borealis | 19 |
| Hydroides brachyacanthus Rioja, 1941 | Hydroides brachyacanthus | 8159 |
| Hydroides bulbosus ten Hove, 1990 | Hydroides bulbosus | 2663 |
| Spirorbis bushi Rioja, 1942 | Spirorbis bushi | 8159 |
| Galeolaria caespitosa Lamarck, 1818 | Galeolaria caespitosa | 3477 |
| Hyalopomatus cancerum Knight-Jones, Knight-Jones, Oliver & Mackie, 1997 | Hyalopomatus cancerum | 2663 |
| Spiraserpula caribensis Pillai & ten Hove, 1994 | Spiraserpula caribensis | 7866 |
| Protolaeospira cavata Knight-Jones & Knight-Jones, 1994 | Protolaeospira cavata | 87725 |
| Serpula cavernicola Fassari & Mollica, 1991 | Serpula cavernicola | 3477 |
| Hydroides centrospina Wu & Chen, 1981 | Hydroides centrospina | 3477 |
| Hydroides chilensis Hartmann-Schröder, 1962 | Hydroides chilensis | 8159 |
| Hyalopomatus claparedii Marenzeller, 1878 | Hyalopomatus claparedii | 3477 |
| Serpula columbiana Johnson, 1901 | Serpula columbiana | 3477 |
| Serpula concharum Langerhans, 1880 | Serpula concharum | 2663 |
| Pseudovermilia conchata ten Hove,1975 | Pseudovermilia conchata | 8159 |
| Spirorbis corallinae De Silva & Knight-jones, 1962 | Spirorbis corallinae | 19 |
| Serpula corrugata Montagu, 1803 | Dexiospira corrugata | 75097 |
| Serpula cruciger Grube, 1862 | Spirobranchus cruciger | 2663 |
| Placostegus crystallinus Zibrowius, 1968 | Placostegus crystallinus | 3477 |
| Sclerostyla ctenactis Mörch, 1863 | Sclerostyla ctenactis | 7866 |
| Spirorbis cuneatus Gee, 1964 | Spirorbis cuneatus | 19 |
| Hydroides deleoni Bastida-Zavala & ten Hove, 2003 | Hydroides deleoni | 8159 |
| Sclerostyla differens Augener, 1922 | Sclerostyla differens | 7866 |
| Protula diomedeae Benedict, 1887 | Protula diomedeae | 7866 |
| Eupomatus dipoma Schmarda, 1861 | Hydroides dipoma | 2663 |
| Hydroides diramphus Mörch, 1863 | Hydroides diramphus | 8159 |
| Filogranella elatensis Ben-Eliahu & Dafni, 1979 | Filogranella elatensis | 19 |
| Mercierella enigmatica Fauvel, 1923 | Ficopomatus enigmaticus | 2802 |
| Apomatus enosimae Marenzeller, 1885 | Apomatus enosimae | 3477 |
| Eupomatus exaltatus von Marenzeller, 1884 | Hydroides exaltatus | 2663 |
| Protolaeospira eximia Bush, 1904 | Protolaeospira eximia | 8159 |
| Hydroides ezoensis Okuda | Hydroides ezoensis | 19 |
| Chitinopoma fabricii Levinsen, 1884 | Chitinopoma serrula | 3477 |
| Dexiospira foraminosus Busch, 1904 | Janua foraminosa | 2663 |
| Spirorbis foraminosus Bush, 1905 | Neodexiospira foraminosa | 3477 |
| Spirorbis formosus Bush, 1905 | Neodexiospira foraminosa | 3477 |
| Serpula furcifera Grube, 1878 | Hydroides furcifer | 3477 |
| Hydroides fusca Imajima, 1976 | Hydroides fusca | 82601 |
| Pseudovermilia fuscostriata ten Hove, 1975 | Pseudovermilia fuscostriata | 7866 |
| Hydroides gairacensis Augener, 1934 | Hydroides gairacensis | 7866 |
| Spirobranchus gardineri Pixell, 1913 | Spirobranchus gardineri | 2663 |
| Pomatoceros gaymardi Pruvot, 1930 | Spirobranchus gaymardi | 3477 |
| Vermiliopsis glacialis Monro, 1939 | Vermiliopsis glacialis | 3477 |
| Vermiliopsis glandigerus Gravier, 1906 | Vermiliopsis glandigerus | 3477 |
| Apomatus globifer Théel, 1878 | Apomatus globifer | 3477 |
| Filogranula gracilis Langerhans, 1884 | Filogranula gracilis | 905 |
| Hydroides gracilis Bush, 1904 | Hydroides gracilis | 8159 |
| Ditrupa gracillima Grube, 1878 | Ditrupa gracillima | 2663 |
| Hydroides grubei Pillai, 1965 | Hydroides novaepommeraniae | 3477 |
| Serpula hartmanae Reish, 1968 | Serpula hartmanae | 3477 |
| Spirorbis heideri Sterzinger, 1909 | Neodexiospira foraminosa | 75097 |
| Serpula heterocerus Grube, 1868 | Hydroides heterocerus | 2663 |
| Pseudovermilia holcopleura ten Hove, 1975 | Pseudovermilia holcopleura | 7866 |
| Hydroides homoceros Pixell, 1913 | Hydroides homoceros | 2663 |
| Filogranna huxleyi Ehlers, 1887 | Salmacina huxleyi | 7866 |
| Protis hydrotherma ten Hove & Zibrowius, 1986 | Protis hydrotherma | 8159 |
| Protis hydrothermica Ten Hove & Zibrowius, 1986 | Protis hydrothermica | 8774 |
| Filograna implexa Berkeley, 1827 | Filograna implexa | 19 |
| Placostegus incomptus Ehlers, 1887 | Placostegus incomptus | 7866 |
| Salmacina incrustans Claparède, 1870 | Salmacina incrustans | 7866 |
| Spirorbis indica Sterzinger, 1909 | Spirorbis indica | 2663 |
| Hydroides inermis Monro, 1933 | Hydroides inermis | 8159 |
| Metavermilia inflata Imajima, 1977 | Metavermilia inflata | 3477 |
| Serpula infundibulum Philippi, 1844 | Vermiliopsis infundibulum | 75097 |
| Spirorbis infundibulum Harris & Knight-Jones, 1964 | Spirorbis infundibulum | 3477 |
| Hydroides inornata Pillai, 1960 | Hydroides inornata | 84253 |
| Spirorbis inornatus L'hardy & Quievreux, 1962 | Spirorbis inornatus | 19 |
| Bathyvermilia islandica Sanfilippo, 2001 | Bathyvermilia islandica | 3477 |
| Serpula israelitica Amoureux, 1977 | Serpula israelitica | 3477 |
| Laminatubus joycebrooksae Rouse & Kupriyanova, 2021 | Laminatubus joycebrooksae | 3477 |
| Serpula jukesii Baird, 1865 | Serpula jukesii | 2663 |
| Hydroides jusicola March, 1863 | Hydroides jusicola | 82601 |
| Spiraserpula karpatensis Pillai & ten Hove, 1994 | Spiraserpula karpatensis | 7866 |
| Janua kayi Knight-jones, 1972 | Janua kayi | 19 |
| Neodexiospira knightjonesi Desilva, 1965 | Spirorbis knightjonesi | 82601 |
| Spirorbis knightjonesi Desilva, 1965 | Spirorbis knightjonesi | 3477 |
| Spirorbis koehleri Caullery & Mesnil, 1897 | Vinearia koehleri | 2663 |
| Pomatoleios kraussii manilensis Pillai, 1965 | Spirobranchus kraussii | 3477 |
| Spirorbis laevis Quatrefages, 1866 | Leodora laevis | 3477 |
| Hyalopomatus langerhansi Ehlers, 1887 | Hyalopomatus langerhansi | 7866 |
| Pileolaria lateralis Knight-Jones, 1978 | Pileolaria lateralis | 8159 |
| Pomatostegus latiscapus von Marenzeller, 1884 | Spirobranchus latiscapus | 2663 |
| Paralaeospira levinseni Caullery & Mesnil, 1897 | Paralaeospira levinseni | 3477 |
| Spirorbis levinseni Caullery & Mesnil, 1897 | Paralaeospira levinseni | 86525 |
| Serpula lima Grube, 1862 | Spirobranchus lima | 2663 |
| Serpula lobiancoi Rioja, 1917 | Serpula lobiancoi | 2663 |
| Protula longiseta Schmarda, 1861 | Protula longiseta | 7866 |
| Hydroides longispinosus Imajima, 1976 | Hydroides longispinosus | 3477 |
| Hydroides longistylaris Chen & Wu, 1980 | Hydroides longistylaris | 3477 |
| Ficopomatus macrodon Southern, 1921 | Ficopomatus macrodon | 19 |
| Pomatostegus macrosoma Schmarda, 1861 | Pomatostegus macrosoma | 19 |
| Pseudovermilia madracicola ten Hove, 1975 | Pseudovermilia madracicola | 7866 |
| Paralaeospira malardi Caullery & Mesnil, 1897 | Paralaeospira malardi | 19 |
| Spirobranchus maldivensis Pixell, 1913 | Spirobranchus maldivensis | 3477 |
| Hydroides malleolaspinus Straughan, 1967 | Hydroides malleolaspinus | 3477 |
| Hydroides malleophorus Rioja, 1942 | Hydroides malleophorus | 8159 |
| Anomalorbis manuatus Vine, 1972 | Anomalorbis manuatus | 19 |
| Hyalopomatus marenzelleri Langerhans, 1884 | Hyalopomatus marenzelleri | 3477 |
| Josephella marenzelleri Caullery & Mesnil, 1896 | Josephella marenzelleri | 19 |
| Pileolaria marginata Kinght-Jones, 1978 | Pileolaria marginata | 8159 |
| Spirorbis marioni Caullery & Mesnil, 1897 | Janua marioni | 19 |
| Hydroides microtis Mörch, 1863 | Hydroides microtis | 7866 |
| Pileolaria militaris Claparede, 1870 | Pileolaria militaris | 19 |
| Spirorbis militaris Claparède, 1868 | Spirorbis militaris | 8159 |
| Serpula minax Grube, 1878 | Hydroides minax | 2663 |
| Pomatoceros minutus Rioja, 1941 | Pomatoceros minutus | 8159 |
| Hydroides mongeslopezi Rioja, 1958 | Hydroides mongeslopezi | 7866 |
| Vermiliopsis monodiscus Zibrowius, 1968 | Vermiliopsis monodiscus | 3477 |
| Hydroides mucronatus Rioja, 1958 | Hydroides mucronatus | 86352 |
| Hydroides nanhaiensis Wu & Chen, 1981 | Hydroides nanhaiensis | 3477 |
| Serpula narconensis Baird, 1865 | Serpula narconensis | 3477 |
| Hydroides niger Zibrowius, 1971 | Hydroides niger | 3477 |
| Spirorbis nordenskjoldi Ehlers, 1900 | Spirorbis nordenskjoldi | 3477 |
| Hydroides norvegicus Gunnerus, 1768 | Hydroides norvegicus | 905 |
| Vermiliopsis notialis Monro, 1930 | Vermiliopsis notialis | 3477 |
| Hydroides novaepommeraniae Augener, 1925 | Hydroides novaepommeraniae | 3477 |
| Spiraserpula nudicristata Pillai & ten Hove, 1994 | Spiraserpula nudicristata | 7866 |
| Pseudochitinopoma occidentalis Bush, 1909 | Pseudochitinopoma occidentalis | 19 |
| Pseudovermilia occidentalis McIntosh, 1885 | Pseudovermilia occidentalis | 19 |
| Spirobranchus occidentalis McIntosh, 1885 | Pseudovermilia occidentalis | 3477 |
| Hydroides ochoterenai Rioja, 1941 | Hydroides ochoterenai | 8159 |
| Eupomatus operuclatus Treadwell, 1929 | Hydroides operculata | 2663 |
| Serpula oshimae Imajima & ten Hove, 1984 | Serpula oshimae | 3477 |
| Protula pacifica Pixell, 1912 | Protula pacifica | 3477 |
| Spirorbis pagenstecheri de Quatrefages, 1865 | Spirorbis pagenstecheri | 8159 |
| Serpula palauense Imajima, 1982 | Serpula vittata | 3477 |
| Protulopsis palliata Willey, 1905 | Protula palliata | 2663 |
| Hydroides panamensis Bastida-Zavala & ten Hove, 2003 | Hydroides panamensis | 8159 |
| Spiraserpula paraypsilon Pillai & ten Hove, 1994 | Spiraserpula paraypsilon | 7866 |
| Laminatubus paulbrooksi Rouse & Kupriyanova, 2021 | Laminatubus paulbrooksi | 3477 |
| Protolaeospira pedalis Knight-Jones & Knight-Jones, 1994 | Protolaeospira pedalis | 87725 |
| Hydroides perezi Fauvel, 1918 | Hydroides perezi | 2663 |
| Pileolaria pettiboneae Bailey-Brock, 1987 | Pileolaria pettiboneae | 3477 |
| Spirorbis placophora Bailey & Harris, 1968 | Spirorbis placophora | 8159 |
| Spiraserpula plaiae Pillai & ten Hove, 1994 | Spiraserpula plaiae | 7866 |
| Serpula polytrema Philippi, 1844 | Spirobranchus polytrema | 2663 |
| Janua preacuta Vine, 1972 | Janua preacuta | 19 |
| Neodexiospira preacuta Vine, 1972 | Neodexiospira preacuta | 19 |
| Hydroides protulicola Benedict, 1887 | Hydroides protulicola | 7866 |
| Pileolaria pseudoclavus Vine, 1972 | Pileolaria pseudoclavus | 2663 |
| Paralaeospira pseudotenuis Rzhavsky, 1997 | Paralaeospira pseudotenuis | 87382 |
| Hydroides pseudouncinatus Zibrowius, 1968 | Hydroides pseudouncinatus | 3477 |
| Hydroides pseudouncinatus africanus Zibrowius, 1971 | Hydroides pseudouncinatus | 85340 |
| Rhodopsis pusilla Bush, 1905 | Rhodopsis pusilla | 7866 |
| Spirorbis pusilloides Bush, 1904 | Janua pagenstecheri | 75097 |
| Spirorbis quadrangularis Stimpson, 1854 | Bushiella quadrangularis | 3477 |
| Spirorbis racemosus Pixell, 1912 | Spirorbis racemosus | 8159 |
| Hydroides ralumianus Augener, 1927 | Hydroides ralumianus | 3477 |
| Hydroides recurvispina Rioja, 1941 | Eupomatus recurvispina | 8159 |
| Spirorbis regalis Bailey & Harris, 1968 | Spirorbis regalis | 8159 |
| Hydroides rhombobulus Chen & Wu,1980 | Hydroides rhombobulus | 3477 |
| Spirorbis rothlisbergi Knight-Jones, 1978 | Spirorbis rothlisbergi | 8159 |
| Spirorbis rupestris Gee & Knight-jones, 1962 | Spirorbis rupestris | 19 |
| Hydroides salazarvallejoi Bastida-Zavala, 2002 | Hydroides salazarvallejoi | 8159 |
| Sclerostyla semiannulata ten Hove, 1973 | Sclerostyla semiannulata | 7866 |
| Spirobranchus semperi Mörch, 1863 | Spirobranchus tetraceros | 3477 |
| Romanchella sepicula Rzhavsky, 1997 | Romanchella sepicula | 87382 |
| Paralaeospira sicula Knight-Jones & Knight-Jones, 1994 | Paralaeospira sicula | 87725 |
| Apomatus similis Marion & Bobretsky, 1875 | Apomatus similis | 19 |
| Protis simplex Ehlers, 1887 | Protis simplex | 7866 |
| Spiraserpula singularis Pillai & ten Hove, 1994 | Spiraserpula singularis | 7866 |
| Serpula sinica Wu & Chen, 1979 | Serpula sinica | 3477 |
| Serpula sombreriana McIntosh, 1885 | Serpula sombreriana | 7866 |
| Protula soofita Ben-Eliahu, 1976 | Protula soofita | 2663 |
| Spirorbis spatulatus Knight-Jones, 1978 | Spirorbis spatulatus | 8159 |
| Amplaria spiculosa Knight-Jones, 1973 | Amplaria spiculosa | 19 |
| Pileolaria spinifer Knight-Jones, 1978 | Pileolaria spinifer | 8159 |
| Serpula spirillum Linnaeus, 1758 | Circeis spirillum | 75097 |
| Hydroides spongicola Benedict, 1887 | Hydroides spongicola | 7866 |
| Protolaeospira stalagmia Knight-Jones, 1973 | Protolaeospira stalagmia | 3477 |
| Hydroides steinitzi Ben-Eliahu, 1972 | Hydroides steinitzi | 2663 |
| Dexiospira steueri Sterzinger, 1909 | Janua steueri | 75097 |
| Spirorbis steueri Sterzinger, 1909 | Spirorbis steueri | 19 |
| Hydroides stoichadon Zibrowius, 1971 | Hydroides stoichadon | 3477 |
| Metavermilia taenia Zibrowius, 1971 | Metavermilia taenia | 3477 |
| Hydroides tenhovei Bastida-Zavala & de León-González, 2002 | Hydroides tenhovei | 8159 |
| Pomatoceros tetraceros Schmarda, 1861 | Spirobranchus tetraceros | 2663 |
| Apomatus timsii Pixell, 1912 | Apomatus timsii | 19 |
| Protis torquata Hoagland, 1919 | Protis torquata | 7866 |
| Vermiliopsis torquata Treadwell, 1943 | Vermiliopsis torquata | 19 |
| Spirorbis treadwelli Pillai, 1965 | Janua steueri | 75097 |
| Crucigera tricornis Gravier, 1906 | Crucigera tricornis | 2663 |
| Spirobranchus tricornis Mörch, 1863 | Spirobranchus giganteus | 3477 |
| Spirorbis tridentata Levinsen, 1883 | Spirorbis tridentata | 19 |
| Protolaeospira triflabellis Knight-Jones, 1973 | Protolaeospira triflabellis | 3477 |
| Hydroides trilobulus Chen & Wu, 1978 | Hydroides trilobulus | 3477 |
| Serpula triquetra Linnaeus, 1767 | Pomatoceros triqueter | 75097 |
| Hydroides trompi Bastida-Zavala & ten Hove, 2003 | Hydroides trompi | 8159 |
| Hydroides tuberculata Imajima, 1976 | Hydroides tuberculatus | 101038 |
| Hydroides tuberculatus Imajima, 1976 | Hydroides tuberculatus | 3477 |
| Spirorbis tuberculatus Bailey & Harris, 1968 | Spirorbis tuberculatus | 8159 |
| Janua turrita Vine, 1973 | Janua preacuta | 75097 |
| Eupomatus uncinatus Philippi, 1844 | Eupomatus uncinatus | 8159 |
| Spirorbis variabilis Bush, 1904 | Spirorbis variabilis | 8159 |
| Hyalopomatus variorugosus Ben-Eliahu & Fiege, 1996 | Hyalopomatus variorugosus | 3477 |
| Serpula vermicularis Linnaeus, 1767 | Serpula vermicularis | 19 |
| Serpula vitrea Fabricius, 1780 | Paradexiospira vitrea | 75097 |
| Serpula vittata Augener, 1914 | Serpula vittata | 3477 |
| Serpula watsoni Willey, 1905 | Serpula watsoni | 3477 |
| Crucigera websteri Benedict, 1887 | Crucigera websteri | 7866 |
| Serpula websteri Benedict, 1887 | Serpula websteri | 8159 |
| Spiraserpula ypsilon Pillai & ten Hove, 1994 | Spiraserpula ypsilon | 7866 |
| Spiraserpula zibrowii Pillai & ten Hove, 1994 | Spiraserpula zibrowii | 7866 |
| Tanturia zibrowii Ben-Eliahu, 1976 | Tanturia zibrowii | 2663 |