Polychaeta Taxon list
Alcyonosyllis aidae Álvarez-Campos, San Martín & Aguado, 2013
Alcyonosyllis bisetosa (Hartmann-Schröder, 1960)
Alcyonosyllis exiliformis (Imajima, 2003)
Alcyonosyllis glasbyi San Martín & Nishi, 2003
Alcyonosyllis gorgoniacolo (Sun & Yang, 2004)
Alcyonosyllis hinterkircheri Glasby & Aguado, 2009
Alcyonosyllis phili Glasby & Watson, 2001
Alcyonosyllis xeniaecola (Hartmann-Schröder, 1993)
Branchiosyllis abranchiata Hartmann-Schröder, 1965 accepted as Branchiosyllis exilis (Gravier, 1900)
Branchiosyllis australis Hartmann-Schröder, 1981
Branchiosyllis baringabooreen San Martín, Hutchings & Aguado, 2008
Branchiosyllis bathyalis (Kirkegaard, 1995)
Branchiosyllis belchiori Nascimento, Fukuda & Paiva, 2019
Branchiosyllis bonei San Martín, Álvarez-Campos & Aguado, 2013
Branchiosyllis camblori Lucas Rodríguez, San Martín & Fiege, 2017
Branchiosyllis carmenroldanae San Martín, Hutchings & Aguado, 2008
Branchiosyllis cirropunctata (Michel, 1909)
Branchiosyllis diazi Rioja, 1958
Branchiosyllis exilis (Gravier, 1900)
Branchiosyllis fuscosuturata (Augener, 1922) accepted as Branchiosyllis exilis (Gravier, 1900)
Branchiosyllis gonzaguinhai Nascimento, Fukuda & Paiva, 2019
Branchiosyllis inesae Lucas Rodríguez, San Martín & Fiege, 2017
Branchiosyllis lamellifera Verrill, 1900
Branchiosyllis lorenae San Martín & Bone, 1999
Branchiosyllis maculata (Imajima, 1966)
Branchiosyllis mayae Álvarez-Campos, San Martín & Aguado, 2012
Branchiosyllis oculata Ehlers, 1887
Branchiosyllis orbiniiformis San Martín, Hutchings & Aguado, 2008
Branchiosyllis pacifica Rioja, 1941
Branchiosyllis pacifica australis Hartmann-Schröder, 1981 accepted as Branchiosyllis australis Hartmann-Schröder, 1981
Branchiosyllis riojai Góngora-Garza, García-Garza & de León-González, 2011
Branchiosyllis salazari Ruiz-Ramírez & Harris, 2008
Branchiosyllis salina (Hartmann-Schröder, 1959)
Branchiosyllis sanmartini Góngora-Garza, García-Garza & de León-González, 2011
Branchiosyllis tagalog Álvarez-Campos, San Martín & Aguado, 2012
Branchiosyllis tamandarensis Paresque, Fukuda & Nogueira, 2016
Branchiosyllis thylacine San Martín, Hutchings & Aguado, 2008
Branchiosyllis uncinigera (Hartmann-Schröder, 1960) accepted as Branchiosyllis exilis (Gravier, 1900)
Branchiosyllis verruculosa (Augener, 1913)
Chaetosyllis oerstedi Malmgren, 1867 (uncertain > nomen dubium )
Chaetosyllis umbrina Grube in Fauvel, 1923 (uncertain > nomen dubium )
Dentatisyllis carolinae (Day, 1973)
Dentatisyllis hongkongensis Ding, Licher & Westheide, 1998
Dentatisyllis inflata (Marenzeller, 1879) accepted as Megasyllis inflata (Marenzeller, 1879)
Dentatisyllis junoyi López & San Martín, 1992
Dentatisyllis kiaorensis (Hartmann-Schröder, 1992)
Dentatisyllis mangalis Russell, 1995
Dentatisyllis morrocoyensis San Martín & Bone, 1999
Dentatisyllis mortoni Ding, Licher & Westheide, 1998
Dentatisyllis uebelackerae Ding, Licher & Westheide, 1998
Ehlersia (Syllis) abyssicola (Ehlers, 1874) accepted as Syllis abyssicola Ehlers, 1874
Ehlersia (Syllis) cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843
Ehlersia (Syllis) rosea Langerhans, 1879 accepted as Syllis rosea (Langerhans, 1879)
Ehlersia (Syllis) simplex Langerhans, 1879 accepted as Syllis amica Quatrefages, 1866
Ehlersia abyssicola (Ehlers, 1874) accepted as Syllis abyssicola Ehlers, 1874
Ehlersia beneliahui (Campoy, 1982) accepted as Syllis beneliahuae (Campoy, 1982)
Ehlersia cerina (Grube, 1878) accepted as Syllis cerina Grube, 1878
Ehlersia cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843
Ehlersia cornuta hystricis McIntosh, 1902
Ehlersia ferrugina Langerhans, 1881 accepted as Paraehlersia ferrugina (Langerhans, 1881)
Ehlersia ferruginea Langerhans, 1881 accepted as Paraehlersia ferrugina (Langerhans, 1881)
Ehlersia garciai (Campoy, 1982) accepted as Syllis garciai (Campoy, 1982)
Ehlersia heterochaeta (Moore, 1909) accepted as Syllis heterochaeta Moore, 1909
Ehlersia hyperioni Dorsey & Phillips, 1984
Ehlersia mexicana Rioja, 1960 accepted as Syllis mexicana (Rioja, 1960)
Ehlersia nepiotoca Caullery & Mesnil, 1916 (uncertain > nomen dubium )
Ehlersia oculata Quatrefages, 1866 accepted as Syllis sexoculata Ehlers, 1864
Ehlersia oerstedi (Malmgren, 1867) (uncertain > nomen dubium )
Ehlersia rosea Langerhans, 1879 accepted as Syllis rosea (Langerhans, 1879)
Ehlersia rosea magna Westheide, 1974 accepted as Syllis magna (Westheide, 1974)
Ehlersia sexoculata (Ehlers, 1864) accepted as Syllis sexoculata Ehlers, 1864
Ehlersia simplex Langerhans, 1879 accepted as Syllis amica Quatrefages, 1866
Eurysyllis americana (Hartman, 1961)
Eurysyllis brevipes (Hartmann-Schröder, 1956) accepted as Plakosyllis brevipes Hartmann-Schröder, 1956
Eurysyllis ehlersi Benham, 1927
Eurysyllis japonica Imajima, 2003
Eurysyllis japonicum Imajima, 2003 accepted as Eurysyllis japonica Imajima, 2003
Eurysyllis lenta Quatrefages, 1866 accepted as Eurysyllis tuberculata Ehlers, 1864
Eurysyllis mercuryi Lucas, San Martín & Parapar, 2012
Eurysyllis pacificus (Hartman, 1954)
Eurysyllis paradoxa (Claparède, 1864) accepted as Eurysyllis tuberculata Ehlers, 1864
Eurysyllis polytuberculata De Chiara, Fukuda & Nogueira, 2017
Eurysyllis scutata De Chiara, Fukuda & Nogueira, 2017
Eurysyllis spicum Kudenov & Harris, 1995
Eurysyllis tetralineata De Chiara, Fukuda & Nogueira, 2017
Eurysyllis tuberculata Ehlers, 1864
Geminosyllis granulosa Lattig, San Martín & Martin, 2007 accepted as Haplosyllis granulosa (Lattig, San Martín & Martin, 2007)
Geminosyllis ohma (Imajima & Hartman, 1964) accepted as Haplosyllis ohma (Imajima & Hartman, 1964)
Gnathosyllis diplodonta Schmarda, 1861 (uncertain > nomen dubium )
Gnathosyllis zonata Haswell, 1886 accepted as Syllis prolifera Krohn, 1852
Haplosyllis (Syllis) hamata (Claparède, 1868) accepted as Haplosyllis spongicola (Grube, 1855)
Haplosyllis aberrans (Fauvel, 1939) accepted as Haplosyllides aberrans (Fauvel, 1939)
Haplosyllis aciculata Lattig, Martin & Aguado, 2010
Haplosyllis agelas Uebelacker, 1982
Haplosyllis amphimedonicola Paresque & Nogueira, 2014
Haplosyllis anthogorgicola Utinomi, 1956
Haplosyllis aplysinicola Lattig & Martin, 2011
Haplosyllis basticola Sardá, Avila & Paul, 2002
Haplosyllis bisetosa Hartmann-Schröder, 1960 accepted as Alcyonosyllis bisetosa (Hartmann-Schröder, 1960)
Haplosyllis brevicirra Rioja, 1941