Syllis
Syllis is een geslacht van borstelwormen uit de familie van de Syllidae.

Soorten 
 Syllis aciculigrossa (San Martín, 1990)
 Syllis adamantea (Treadwell, 1914)
 Syllis albae Álvarez-Campos & Verdes, 2017
 Syllis albanyensis (Hartmann-Schröder, 1984)
 Syllis alosae San Martín, 1992
 Syllis alternata Moore, 1908
 Syllis amica Quatrefages, 1866
 Syllis amicarmillaris Simon, San Martín & Robinson, 2014
 Syllis anoculata (Hartmann-Schröder, 1962)
 Syllis anops Ehlers, 1897
 Syllis antoniae Salcedo Oropeza, San Martín & Solís-Weiss, 2012
 Syllis armillaris (O.F. Müller, 1776)
 Syllis augeneri Haswell, 1920
 Syllis barbata San Martín, 1992
 Syllis bella (Chamberlin, 1919)
 Syllis beneliahuae (Campoy, 1982)
 Syllis benguellana Day, 1963
 Syllis boggemanni San Martín, Álvarez-Campos & Hutchings, 2017
 Syllis botosaneanui (Hartmann-Schröder, 1973)
 Syllis bouvieri Gravier, 1900
 Syllis brasiliensis McIntosh, 1885
 Syllis breviarticulata Grube, 1857
 Syllis brevicirrata McIntosh, 1908
 Syllis brevicirris Hansen, 1882
 Syllis broomensis (Hartmann-Schröder, 1979)
 Syllis bunaa Sedick & Simon, 2019
 Syllis caeca Monro, 1933
 Syllis castroviejoi Capa, San Martín & López, 2001
 Syllis cerina Grube, 1878
 Syllis cirrita Lee & Rho, 1994
 Syllis columbretensis (Campoy, 1982)
 Syllis compacta Gravier, 1900
 Syllis complanata Treadwell, 1901
 Syllis corallicola Verrill, 1900
 Syllis cornuta Rathke, 1843
 Syllis crassicirrata (Treadwell, 1925)
 Syllis cruzi Núñez & San Martín, 1991
 Syllis curticirris Monro, 1937
 Syllis danieli San Martín, 1992
 Syllis deleoni Salcedo Oropeza, San Martín & Solís-Weiss, 2012
 Syllis edensis (Hartmann-Schröder, 1989)
 Syllis elongata (Johnson, 1901)
 Syllis ergeni Çinar, 2005
 Syllis erikae (Hartmann-Schröder, 1981)
 Syllis fasciata Malmgren, 1867
 Syllis ferrani Alós & San Martín, 1987
 Syllis filidentata (Hartmann-Schröder, 1962)
 Syllis garciai (Campoy, 1982)
 Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis gerundensis (Alós & Campoy, 1981)
 Syllis glandulata Nogueira & San Martín, 2002
 Syllis glarearia (Westheide, 1974)
 Syllis golfonovensis (Hartmann-Schröder, 1962)
 Syllis gracilis Grube, 1840
 Syllis guidae Nogueira & Yunda-Guarin, 2008
 Syllis heterochaeta Moore, 1909
 Syllis hyalina Grube, 1863
 Syllis hyllebergi (Licher, 1999)
 Syllis jaylani Sedick & Simon, 2019
 Syllis joaoi San Martín, Álvarez-Campos & Hutchings, 2017
 Syllis jorgei San Martín & López, 2000
 Syllis kabilica Ben-Eliahu, 1977
 Syllis karlae San Martín, Álvarez-Campos & Hutchings, 2017
 Syllis kas Lucas, Sikorski & San Martín, 2018
 Syllis komodoensis Aguado, San Martín & ten Hove, 2008
 Syllis krohnii Ehlers, 1864
 Syllis lagunae Tovar-Hernández, Hernández-Alcántara & Solís-Weiss, 2008
 Syllis latifrons Grube, 1857
 Syllis licheri Ravara, San Martín & Moreira, 2004
 Syllis limbata Grube, 1880
 Syllis longesegmentata Grube, 1857
 Syllis lunaris (Imajima, 1966)
 Syllis lutea (Hartmann-Schröder, 1960)
 Syllis luteoides (Hartmann-Schröder, 1962)
 Syllis macroceras Grube, 1857
 Syllis macrodentata (Hartmann-Schröder, 1982)
 Syllis magdalena Wesenberg-Lund, 1962
 Syllis magna (Westheide, 1974)
 Syllis magnapalpa (Hartmann-Schröder, 1965)
 Syllis malaquini Ribeiro, Ponz-Segrelles, Helm, Egger & Aguado, 2020
 Syllis marceloi San Martín, Álvarez-Campos & Hutchings, 2017
 Syllis marugani Aguado, San Martín & Nishi, 2006
 Syllis maryae San Martín, 1992
 Syllis mauretanica (Licher, 1999)
 Syllis mayeri Musco & Giangrande, 2005
 Syllis mercedesae Lucas, San Martín & Parapar, 2012
 Syllis mexicana (Rioja, 1960)
 Syllis microoculata (Hartmann-Schröder, 1965)
 Syllis monilaris Savigny in Lamarck, 1818
 Syllis mytilorum Studer, 1889
 Syllis nigra Augener, 1925
 Syllis nigrescens Grube, 1878
 Syllis nigricirris Grube, 1863
 Syllis nigriscens Grube, 1878
 Syllis nigropunctata Haswell, 1886
 Syllis notocera Ehlers, 1905
 Syllis nuchalis (Hartmann-Schröder, 1960)
 Syllis obscura Grube, 1857
 Syllis okadai Fauvel, 1934
 Syllis onkylochaeta Hartmann-Schröder, 1991
 Syllis ortizi San Martín, 1992
 Syllis papillosus (Tovar-Hernández, Granados-Barba & Solís-Weiss, 2002)
 Syllis parapari San Martín & López, 2000
 Syllis parturiens Haswell, 1920
 Syllis pectinans Haswell, 1920
 Syllis picta (Kinberg, 1866)
 Syllis pigmentata (Chamberlin, 1919)
 Syllis pilosa Aguado, San Martín & Nishi, 2008
 Syllis pontxioi San Martín & López, 2000
 Syllis profunda Cognetti, 1955
 Syllis prolifera Krohn, 1852
 Syllis prolixa Ehlers, 1901
 Syllis pseudoarmillaris Nogueira & San Martín, 2002
 Syllis pulvinata (Langerhans, 1881)
 Syllis qamhiyn Lucas Rodríguez, San Martín & Fiege, 2019
 Syllis quadrifasciata Fischli, 1900
 Syllis quaternaria Moore, 1906
 Syllis ramosa McIntosh, 1879
 Syllis riojai (San Martín, 1990)
 Syllis robertianae McIntosh, 1885
 Syllis rosea (Langerhans, 1879)
 Syllis rubicunda Aguado, San Martín & Nishi, 2008
 Syllis rudolphi Delle Chiaje, 1841
 Syllis schulzi (Hartmann-Schröder, 1960)
 Syllis sclerolaema Ehlers, 1901
 Syllis setoensis (Imajima, 1966)
 Syllis sol San Martín, 2004
 Syllis stenura Blanchard in Gay, 1849
 Syllis stewarti Berkeley & Berkeley, 1942
 Syllis tamarae Álvarez-Campos & Verdes, 2017
 Syllis tiedemanni Delle Chiaje, 1841
 Syllis torquata Marion & Bobretzky, 1875
 Syllis tripantu Álvarez-Campos & Verdes, 2017
 Syllis truncata Haswell, 1920
 Syllis tyrrhena (Licher & Kuper, 1998)
 Syllis umbricolor Grube, 1878
 Syllis unzima Simon, San Martín & Robinson, 2014
 Syllis valida Grube, 1857
 Syllis variegata Grube, 1860
 Syllis villenai Aguado, San Martín & ten Hove, 2008
 Syllis violacea Grube, 1869
 Syllis vittata Grube, 1840
 Syllis vivipara Krohn, 1869
 Syllis warrnamboolensis (Hartmann-Schröder, 1987)
 Syllis westheidei San Martín, 1984
 Syllis yallingupensis (Hartmann-Schröder, 1982)
 Syllis ypsiloides Aguado, San Martín & ten Hove, 2008
 Syllis zahri Sedick & Simon, 2019

Taxon inquirendum 
 Syllis caeca (Katzmann, 1973)
 Syllis elongata Day, 1949

Nomen dubium 
 Syllis abyssicola Ehlers, 1874
 Syllis atlantica Cognetti, 1960
 Syllis bacilligera Claparède, 1868
 Syllis biocula (Czerniavsky, 1881)
 Syllis brevicollis Ehlers, 1874
 Syllis brevis Schmarda, 1861
 Syllis californica Kinberg, 1866
 Syllis ciliata Mecznicow, 1865
 Syllis czerniavskyi (Czerniavsky, 1881)
 Syllis diplodonta (Schmarda, 1861)
 Syllis erythropis Grube, 1878
 Syllis eximia Malm, 1874
 Syllis fissipara Krohn, 1852
 Syllis fusicornis Schmarda, 1861
 Syllis incisa (O. Fabricius, 1780)
 Syllis lycochaetus Grube, 1878
 Syllis macroura Schmarda, 1861
 Syllis maculosa Milne Edwards, 1845
 Syllis nepiotoca (Caullery & Mesnil, 1916)
 Syllis oerstedi (Malmgren, 1867)
 Syllis pontica (Czerniavsky, 1881)
 Syllis punctulata Haswell, 1920 => Syllis (Typosyllis) punctulata Haswell, 1920
 Syllis remex Chamberlin, 1919
 Syllis sexoculata Ehlers, 1864
 Syllis singulisetis Grube, 1878
 Syllis solida Grube, 1878
 Syllis violaceoflava Grube, 1878
 Syllis (Typosyllis) filiformis Rullier, 1972
 Syllis (Typosyllis) punctulata Haswell, 1920

Synoniemen 
 Syllis (Ehlersia) Quatrefages, 1865 => Syllis Lamarck, 1818
 Syllis (Ehlersia) hyperioni Dorsey & Phillips, 1987
 Syllis (Ehlersia) aesthetica Saint-Joseph, 1887 => Syllis amica Quatrefages, 1866
 Syllis (Ehlersia) anops Ehlers, 1897 => Syllis anops Ehlers, 1897
 Syllis (Ehlersia) cornuta Rathke, 1843 => Syllis cornuta Rathke, 1843
 Syllis (Ehlersia) exigua Verrill, 1900 => Langerhansia exigua (Verrill, 1900)
 Syllis (Ehlersia) ferrugina (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis (Ehlersia) ferruginea (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis (Ehlersia) heterochaeta Moore, 1909 => Syllis heterochaeta Moore, 1909
 Syllis (Ehlersia) hyperiona Dorsey & Phillips, 1987 => Syllis (Ehlersia) hyperioni Dorsey & Phillips, 1987
 Syllis (Ehlersia) nitida Verrill, 1900 => Branchiosyllis exilis (Gravier, 1900)
 Syllis (Ehlersia) simplex (Langerhans, 1879) => Syllis amica Quatrefages, 1866
 Syllis (Haplosyllis) Langerhans, 1879 => Haplosyllis Langerhans, 1879
 Syllis (Haplosyllis) aberrans Fauvel, 1939 => Haplosyllides aberrans (Fauvel, 1939)
 Syllis (Haplosyllis) cratericola Buzhinskaya, 1990 => Haplosyllis cratericola (Buzhinskaja, 1990)
 Syllis (Haplosyllis) depressa => [[Haplosyllis depressa Augener, 1913 => Trypanobia depressa (Augener, 1913)
 Syllis (Haplosyllis) djiboutiensis Gravier, 1900 => Haplosyllis djiboutiensis (Gravier, 1900)
 Syllis (Haplosyllis) hamata Claparède, 1868 => Haplosyllis spongicola (Grube, 1855)
 Syllis (Haplosyllis) spongicola Grube, 1855 => Haplosyllis spongicola (Grube, 1855)
 Syllis (Haplosyllis) trifalcata Day, 1960 => Haplosyllis trifalcata (Day, 1960)
 Syllis (Langerhansia) Czerniavsky, 1881 => Syllis Lamarck, 1818
 Syllis (Langerhansia) cornuta Rathke, 1843 => Syllis cornuta Rathke, 1843
 Syllis (Langerhansia) ferrugina (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis (Langerhansia) ferruginosa (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis (Syllides) Örsted, 1845 => Syllides Örsted, 1845
 Syllis (Syllides) longocirrata Örsted, 1845 => Syllides longocirratus (Örsted, 1845)
 Syllis (Syllis) Lamarck, 1818 => Syllis Lamarck, 1818
 Syllis (Syllis) gracilis Grube, 1840 => Syllis gracilis Grube, 1840
 Syllis (Syllis) longissima Gravier, 1900 => Syllis gracilis Grube, 1840
 Syllis (Typosyllis) Langerhans, 1879 => Syllis Lamarck, 1818
 Syllis (Typosyllis) alternata (Moore, 1908) => Syllis alternata Moore, 1908
 Syllis (Typosyllis) alternosetosa Saint Joseph, 1887 => Syllis armillaris (O.F. Müller, 1776)
 Syllis (Typosyllis) amica Quatrefages, 1866 => Syllis amica Quatrefages, 1866
 Syllis (Typosyllis) annularis Verrill, 1900 => Typosyllis annularis (Verrill, 1900)
 Syllis (Typosyllis) armillaris (O.F. Müller, 1776) => Syllis armillaris (O.F. Müller, 1776)
 Syllis (Typosyllis) attenuata Knox, 1960 => Typosyllis attenuata (Knox, 1960)
 Syllis (Typosyllis) augeneri Haswell, 1920 => Syllis augeneri Haswell, 1920
 Syllis (Typosyllis) bilineata Zachs, 1933 => Typosyllis armillaris bilineata (Zachs, 1933)
 Syllis (Typosyllis) bouvieri Gravier, 1900 => Syllis bouvieri Gravier, 1900
 Syllis (Typosyllis) capensis McIntosh, 1885 => Syllis armillaris (O.F. Müller, 1776)
 Syllis (Typosyllis) catenula Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) cincinnata Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) cirropunctata Michel, 1909 => Branchiosyllis cirropunctata (Michel, 1909)
 Syllis (Typosyllis) compacta Gravier, 1900 => Syllis compacta Gravier, 1900
 Syllis (Typosyllis) corallicoides Augener, 1922 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) corallicola Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) corallicoloides Augener, 1922 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) cornuta Rathke, 1843 => Syllis cornuta Rathke, 1843
 Syllis (Typosyllis) corruscans (Haswell, 1886) => Megasyllis corruscans (Haswell, 1886)
 Syllis (Typosyllis) coruscans Haswell, 1886 => Megasyllis corruscans (Haswell, 1886)
 Syllis (Typosyllis) decorus Chlebovitsch, 1961 => Typosyllis adamanteus (Treadwell, 1914) => Syllis adamantea (Treadwell, 1914)
 Syllis (Typosyllis) diplomorpha Verrill, 1900 => Typosyllis diplomorpha (Verrill, 1900)
 Syllis (Typosyllis) exilis Gravier, 1900 => Branchiosyllis exilis (Gravier, 1900)
 Syllis (Typosyllis) fasciata Malmgren, 1867 => Syllis fasciata Malmgren, 1867
 Syllis (Typosyllis) fuscosuturata Augener, 1922 => Branchiosyllis exilis (Gravier, 1900)
 Syllis (Typosyllis) gerlachi (Hartmann-Schröder, 1960) => Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis (Typosyllis) gerundensis (Alós & Campoy, 1981) => Syllis gerundensis (Alós & Campoy, 1981)
 Syllis (Typosyllis) golfonovensis (Hartmann-Schröder, 1962) => Syllis golfonovensis (Hartmann-Schröder, 1962)
 Syllis (Typosyllis) grandigularis Verrill, 1900 => Syllis grandigularis Verrill, 1900 => Branchiosyllis exilis (Gravier, 1900)
 Syllis (Typosyllis) harti (Berkeley & Berkeley, 1938) => Syllis cornuta Rathke, 1843
 Syllis (Typosyllis) hyalina Grube, 1863 => Syllis hyalina Grube, 1863
 Syllis (Typosyllis) krohni Ehlers, 1864 => Syllis krohnii Ehlers, 1864
 Syllis (Typosyllis) krohnii Ehlers, 1864 => Syllis krohnii Ehlers, 1864
 Syllis (Typosyllis) kurilensis Chlebovitsch, 1959 => Typosyllis adamanteus kurilensis (Chlebovitsch, 1959)
 Syllis (Typosyllis) lunaris (Imajima, 1966) => Typosyllis lunaris Imajima, 1966 => Syllis lunaris (Imajima, 1966)
 Syllis (Typosyllis) lunaroides Ben-Eliahu, 1977 => Syllis lutea (Hartmann-Schröder, 1960)
 Syllis (Typosyllis) magnipectinis Storch, 1967 => Typosyllis magnipectinis (Storch, 1967)
 Syllis (Typosyllis) melanopharyngea Augener, 1918 => Syllis hyalina Grube, 1863
 Syllis (Typosyllis) parturiens Haswell, 1920 => Syllis parturiens Haswell, 1920
 Syllis (Typosyllis) pectinans Haswell, 1920 => Syllis pectinans Haswell, 1920
 Syllis (Typosyllis) plessisi Rullier, 1972 => Branchiosyllis exilis (Gravier, 1900)
 Syllis (Typosyllis) prolifera Krohn, 1852 => Syllis prolifera Krohn, 1852
 Syllis (Typosyllis) pulvinata (Langerhans, 1881) => Syllis pulvinata (Langerhans, 1881)
 Syllis (Typosyllis) regulata => Typosyllis (Typosyllis) regulata Imajima, 1966
 Syllis (Typosyllis) safrieli Ben-Eliahu, 1977 => Syllis lutea (Hartmann-Schröder, 1960)
 Syllis (Typosyllis) schulzi (Hartmann-Schröder, 1960) => Syllis schulzi (Hartmann-Schröder, 1960)
 Syllis (Typosyllis) sclerolaema Ehlers, 1901 => Syllis sclerolaema Ehlers, 1901
 Syllis (Typosyllis) stewarti Berkeley & Berkeley, 1942 => Syllis stewarti Berkeley & Berkeley, 1942
 Syllis (Typosyllis) tigrinoides Augener, 1922 => Syllis corallicola Verrill, 1900
 Syllis (Typosyllis) torquata Marion & Bobretzky, 1875 => Syllis torquata Marion & Bobretzky, 1875
 Syllis (Typosyllis) tortugaensis Augener, 1922 => Syllis armillaris (O.F. Müller, 1776)
 Syllis (Typosyllis) tristanensis Day, 1954 => Syllis hyalina Grube, 1863
 Syllis (Typosyllis) truncata Haswell, 1920 => Syllis truncata Haswell, 1920
 Syllis (Typosyllis) uschakovi Chlebovitsch, 1959 => Parasphaerosyllis uschakovi (Chlebovitsch, 1959)
 Syllis (Typosyllis) variegata Grube, 1860 => Syllis variegata Grube, 1860
 Syllis (Typosyllis) verruculosa Augener, 1913 => Branchiosyllis verruculosa (Augener, 1913)
 Syllis (Typosyllis) vittata Grube, 1840 => Syllis vittata Grube, 1840
 Syllis (Typosyllis) vivipara Krohn, 1869 => Syllis vivipara Krohn, 1869
 Syllis (Typosyllis) zonata (Haswell, 1833) => Syllis prolifera Krohn, 1852
 Syllis aesthetica Saint Joseph, 1887 => Syllis amica Quatrefages, 1866
 Syllis alternosetosa Saint Joseph, 1886 => Syllis armillaris (O.F. Müller, 1776)
 Syllis amata Cognetti, 1957 => Haplosyllis spongicola hamata (Claparède, 1868)
 Syllis armandi Claparède, 1864 => Syllis prolifera Krohn, 1852
 Syllis armoricana Claparède, 1863 => Syllis variegata Grube, 1860
 Syllis aurantiaca Claparède, 1868 => Syllis variegata Grube, 1860
 Syllis aurita Claparède, 1864 => Syllis vittata Grube, 1840
 Syllis beneliahui (Campoy, 1982) => Syllis beneliahuae (Campoy, 1982)
 Syllis binocula (Czerniavsky, 1881) => Syllis biocula (Czerniavsky, 1881)
 Syllis borealis Malmgren, 1867 => Syllis hyalina Grube, 1863
 Syllis brachychaeta Schmarda, 1861 => Syllis armillaris (O.F. Müller, 1776)
 Syllis brachycirris Grube, 1857 => Syllis gracilis Grube, 1840
 Syllis brachycola Ehlers, 1897 => Syllis valida Grube, 1857
 Syllis brevicornis Grube, 1863 => Odontosyllis gibba Claparède, 1863
 Syllis brevipennis (Grube, 1863) => Trypanosyllis (Trypanosyllis) coeliaca Claparède, 1868
 Syllis buchholziana Grube, 1877 => Syllis gracilis Grube, 1840
 Syllis buskii McIntosh, 1908 => Syllis vittata Grube, 1840
 Syllis capensis McIntosh, 1885 => Syllis armillaris (O.F. Müller, 1776)
 Syllis catenula Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis cincinnata Verrill, 1900 => Syllis (Typosyllis) cincinnata Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis cirropunctata Michel, 1909 => Branchiosyllis cirropunctata (Michel, 1909)
 Syllis clavata Claparède, 1863 => Salvatoria clavata (Claparède, 1863)
 Syllis closterobranchia Schmarda, 1861 => Syllis armillaris (O.F. Müller, 1776)
 Syllis corallicoloides Augener, 1922 => Syllis corallicola Verrill, 1900
 Syllis corruscans Haswell, 1886 => Megasyllis corruscans (Haswell, 1886)
 Syllis crassicornis Schmarda, 1861 => Syllis armillaris (O.F. Müller, 1776)
 Syllis cucullata McIntosh, 1908 => Odontosyllis cucullata (McIntosh, 1908)
 Syllis cunninghami McIntosh, 1908 => Syllis amica Quatrefages, 1866
 Syllis danica Quatrefages, 1866 => Syllis armillaris (O.F. Müller, 1776)
 Syllis divaricata Keferstein, 1862 => Nudisyllis divaricata (Keferstein, 1862)
 Syllis edentatus => Syllides edentatus Westheide, 1974
 Syllis exiliformis Imajima, 2003 => Alcyonosyllis exiliformis (Imajima, 2003)
 Syllis exilis Gravier, 1900 => Branchiosyllis exilis (Gravier, 1900)
 Syllis fabricii Malmgren, 1867 => Syllis cornuta Rathke, 1843
 Syllis ferrugina (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis ferruginea (Langerhans, 1881) => Paraehlersia ferrugina (Langerhans, 1881)
 Syllis fiumensis Ehlers, 1864 => Syllis prolifera Krohn, 1852
 Syllis flaccida Grube, 1878 => Opisthosyllis flaccida (Grube, 1878)
 Syllis fluminensis Ehlers, 1864 => Syllis prolifera Krohn, 1852
 Syllis fragilis Webster, 1879 => Eusyllis fragilis (Webster, 1879)
 Syllis fulgurans Audouin & Milne Edwards, 1833 => Odontosyllis fulgurans (Audouin & Milne Edwards, 1833)
 Syllis fuscosuturata (Augener, 1922) => Branchiosyllis exilis (Gravier, 1900)
 Syllis garciae (Campoy, 1982) => Syllis garciai (Campoy, 1982)
 Syllis gigantea McIntosh, 1885 => Trypanedenta gigantea (McIntosh, 1885)
 Syllis golfonovoensis (Hartmann-Schröder, 1962) => Syllis golfonovensis (Hartmann-Schröder, 1962)
 Syllis gracilis Schmarda, 1861 => Syllis anops Ehlers, 1897
 Syllis grandigularis Verrill, 1900 => Branchiosyllis exilis (Gravier, 1900)
 Syllis hamata Claparède, 1868 => Haplosyllis spongicola (Grube, 1855)
 Syllis harti Berkeley & Berkeley, 1938 => Typosyllis harti (Berkeley & Berkeley, 1938)
 Syllis hexagonifera Claparède, 1864 => Syllis variegata Grube, 1860
 Syllis hialina Grube, 1863 => Syllis hyalina Grube, 1863
 Syllis inflata Marenzeller, 1879 => Megasyllis inflata (Marenzeller, 1879)
 Syllis jugularis Verrill, 1900 => Syllis corallicola Verrill, 1900
 Syllis kabilika Ben-Eliahu, 1977 => Syllis kabilica Ben-Eliahu, 1977
 Syllis katzmanni (Katzmann, 1973) => Syllis caeca (Katzmann, 1973)
 Syllis kinbergiana Haswell, 1886 => Megasyllis inflata (Marenzeller, 1879)
 Syllis krohni Ehlers, 1864 => Syllis krohnii Ehlers, 1864
 Syllis lineata Schmarda, 1861 => Syllis armillaris (O.F. Müller, 1776)
 Syllis longicirrata Örsted, 1845 => Syllides longocirratus (Örsted, 1845)
 Syllis longifilis Ehlers, 1901 => Syllis prolixa Ehlers, 1901
 Syllis longiseta Gosse, 1855 => Exogone naidina Örsted, 1845
 Syllis longissima Gravier, 1900 => Syllis gracilis Grube, 1840
 Syllis longocirrata Örsted, 1845 => Syllides longocirratus (Örsted, 1845)
 Syllis luguei San Martín, 1984 => Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis luquei San Martín, 1984 => Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis lussinensis Grube, 1863 => Syllis prolifera Krohn, 1852
 Syllis macrocola Marenzeller, 1874 => Syllis hyalina Grube, 1863
 Syllis macrophthalma (Johnston, 1840) => Syllis armillaris (O.F. Müller, 1776)
 Syllis mediterranea Ben-Eliahu, 1977 => Syllis pulvinata (Langerhans, 1881)
 Syllis mixtosetosa Bobretzky, 1870 => Syllis gracilis Grube, 1840
 Syllis moniliformis [auct. misspelling] => Syllis monilaris Savigny in Lamarck, 1818
 Syllis multiannulata Aguado, San Martín & Nishi, 2008 => Megasyllis multiannulata (Aguado, San Martín & Nishi, 2008)
 Syllis navicellidens Czerniavsky, 1881 => Syllis gracilis Grube, 1840
 Syllis neglecta Grube, 1869 => Opisthosyllis neglecta (Grube, 1869)
 Syllis nepiotosa (Caullery & Mesnil, 1916) => Syllis nepiotoca (Caullery & Mesnil, 1916)
 Syllis nidarosiensis Bidenkap, 1907 => Syllis nidrosiensis Bidenkap, 1907 => Pionosyllis nidrosiensis (Bidenkap, 1907)
 Syllis nidrosiensis Bidenkap, 1907 => Pionosyllis nidrosiensis (Bidenkap, 1907)
 Syllis nigrans Bobretzky, 1870 => Syllis prolifera Krohn, 1852
 Syllis nigropharyngea Day, 1951 => Syllis vittata Grube, 1840
 Syllis nigrovittata Czerniavsky, 1881 => Syllis gracilis Grube, 1840
 Syllis nigro-vittata Czerniavsky, 1881 => Syllis gracilis]] Grube, 1840
 Syllis normannica Claparède, 1863 => Nudisyllis divaricata (Keferstein, 1862)
 Syllis oblonga Keferstein, 1862 => Syllis variegata Grube, 1860
 Syllis ochracea Marenzeller, 1875 => Syllides fulvus (Marion & Bobretzky, 1875)
 Syllis oligochaeta Bobretzky, 1870 => Haplosyllis spongicola (Grube, 1855)
 Syllis palifica Ehlers, 1901 => Syllis gracilis Grube, 1840
 Syllis pallida Verrill, 1875 => Syllis cornuta Rathke, 1843
 Syllis pellucida Ehlers, 1864 => Syllis hyalina Grube, 1863
 Syllis picta Grube, 1869 => Syllis violacea Grube, 1869
 Syllis polycera Schmarda, 1861 => Odontosyllis polycera (Schmarda, 1861)
 Syllis pulchra Berkeley & Berkeley, 1938 => Syllis pigmentata (Chamberlin, 1919)
 Syllis pulligera Krohn, 1852 => Nudisyllis pulligera (Krohn, 1852)
 Syllis quadridentata Czerniavsky, 1881 => Syllis gracilis Grube, 1840
 Syllis rubra Grube, 1857 => Trypanosyllis zebra (Grube, 1860)
 Syllis rudolphiana Delle Chiaje, 1841 => Schistomeringos rudolphi (Delle Chiaje, 1828)
 Syllis sardai San Martín, 1992 => Syllis variegata Grube, 1860
 Syllis scabra Ehlers, 1864 => Xenosyllis scabra (Ehlers, 1864)
 Syllis schmardiana Haswell, 1886 => Syllis variegata Grube, 1860
 Syllis setubalensis McIntosh, 1885 => Haplosyllis spongicola (Grube, 1855)
 Syllis simillima Claparède, 1864 => Syllis hyalina Grube, 1863
 Syllis spenceri Berkeley & Berkeley, 1938 => Typosyllis adamanteus (Treadwell, 1914)
 Syllis spongicola Grube, 1855 => Haplosyllis spongicola (Grube, 1855)
 Syllis spongiphila Verrill, 1885 => Haplosyllis spongiphila (Verrill, 1885)
 Syllis streptocephala Grube, 1857 => Haplosyllis streptocephala (Grube, 1857)
 Syllis syllisformis (Schmarda, 1861) => Syllis armillaris (O.F. Müller, 1776)
 Syllis taeniaeformis Haswell, 1886 => Trypanosyllis (Trypanedenta) taeniaformis (Haswell, 1886)
 Syllis tigrina Rathke, 1843 => Syllis armillaris (O.F. Müller, 1776)
 Syllis tortugaensis (Augener, 1922) => Syllis armillaris (O.F. Müller, 1776)
 Syllis tristanensis Day, 1954 => Syllis hyalina Grube, 1863
 Syllis truncata-criptica Ben-Eliahu, 1977 => Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis truncata-cryptica Ben-Eliahu, 1977 => Syllis gerlachi (Hartmann-Schröder, 1960)
 Syllis tubifex Gosse, 1855 => Eusyllis tubifex (Gosse, 1855)
 Syllis uncinigera Grube, 1878 => Haplosyllis uncinigera (Grube, 1878)
 Syllis vancaurica Grube, 1867 => Syllis gracilis Grube, 1840
 Syllis varlegata Grube, 1860 => Syllis variegata Grube, 1860
 Syllis velox Bobretzky, 1870 => Syllis hyalina Grube, 1863
 Syllis zebra Grube, 1860 => Trypanosyllis zebra (Grube, 1860)
 Syllis zonata (Haswell, 1833) => Syllis prolifera Krohn, 1852

Syllidae