- (San Martín, 1990)
- (Treadwell, 1914)
- Álvarez-Campos & Verdes, 2017
- (Hartmann-Schröder, 1984)
- San Martín, 1992
- Moore, 1908
- Quatrefages, 1866
- Simon, San Martín & Robinson, 2014
- (Hartmann-Schröder, 1962)
- Salcedo Oropeza, San Martín & Solís-Weiss, 2012
- (O.F. Müller, 1776)
- Haswell, 1920
- San Martín, 1992
- Chamberlin, 1919
- (Campoy & Alquézar, 1982)
- Day, 1963
- San Martín, Álvarez-Campos & Hutchings, 2017
- (Hartmann-Schröder, 1973)
- McIntosh, 1885
- Grube, 1857
- McIntosh, 1908
- Hansen, 1882
- (Hartmann-Schröder, 1979)
- Monro, 1933
- Syllis castroviejoi Capa, San Martín & López, 2001
- Grube, 1878
- Lee & Rho, 1994
- (Campoy, 1982)
- Gravier, 1900
- Verrill, 1900
- Rathke, 1843
- (Treadwell, 1925)
- Núñez & San Martín, 1991
- Syllis curticirris Monro, 1937
- San Martín, 1992
- Salcedo Oropeza, San Martín & Solís-Weiss, 2012
- (Hartmann-Schröder, 1989)
- (Johnson, 1901)
- Çinar, 2005
- (Hartmann-Schröder, 1981)
- Malmgren, 1867
- Alós & San Martín, 1987
- (Hartmann-Schröder, 1962)
- (Campoy, 1982)
- (Hartmann-Schröder, 1960)
- (Alós & Campoy, 1981)
- Nogueira & San Martín, 2002
- (Westheide, 1974)
- (Hartmann-Schröder, 1962)
- Grube, 1840
- Nogueira & Yunda-Guarin, 2008
- Moore, 1909
- Grube, 1863
- (Licher, 1999)
- San Martín, Álvarez-Campos & Hutchings, 2017
- San Martín & López, 2000
- Ben-Eliahu, 1977
- San Martín, Álvarez-Campos & Hutchings, 2017
- Lucas, Sikorski & San Martín, 2018
- Aguado, San Martín & ten Hove, 2008
- Ehlers, 1864
- Tovar-Hernández, Hernández-Alcántara & Solís-Weiss, 2008
- Grube, 1857
- Ravara, San Martín & Moreira, 2004
- Grube, 1880
- Grube, 1857
- (Imajima, 1966)
- (Hartmann-Schröder, 1960)
- (Hartmann-Schröder, 1962)
- Grube, 1857
- (Hartmann-Schröder, 1982)
- Wesenberg-Lund, 1962
- (Hartmann-Schröder, 1965)
- San Martín, Álvarez-Campos & Hutchings, 2017
- Aguado, San Martín & Nishi, 2006
- San Martín, 1992
- (Licher, 1999)
- Musco & Giangrande, 2005
- Lucas, San Martín & Parapar, 2012
- (Rioja, 1960)
- (Hartmann-Schröder, 1965)
- Savigny in Lamarck, 1818
- Studer, 1889
- Augener, 1925
- Grube, 1878
- Grube, 1863
- Grube, 1878
- Haswell, 1886
- Ehlers, 1905
- (Hartmann-Schröder, 1960)
- Grube, 1857
- Hartmann-Schröder, 1991
- San Martín, 1992
- San Martín & López, 2000
- Haswell, 1920
- Haswell, 1920
- (Kinberg, 1866)
- (Chamberlin, 1919)
- Aguado, San Martín & Nishi, 2008
- San Martín & López, 2000
- Cognetti, 1955
- Syllis prolifera Krohn, 1852
- Ehlers, 1901
- Nogueira & San Martín, 2002
- (Langerhans, 1881)
- Fischli, 1900
- Moore, 1906
- Syllis ramosa McIntosh, 1879
- (San Martín, 1990)
- McIntosh, 1885
- (Langerhans, 1879)
- Aguado, San Martín & Nishi, 2008
- Delle Chiaje, 1841
- (Hartmann-Schröder, 1960)
- Ehlers, 1901
- (Imajima, 1966)
- San Martín, 2004
- Blanchard in Gay, 1849
- Álvarez-Campos & Verdes, 2017
- Delle Chiaje, 1841
- Marion & Bobretzky, 1875
- Álvarez-Campos & Verdes, 2017
- Haswell, 1920
- (Licher & Kuper, 1998)
- Grube, 1878
- Simon, San Martín & Robinson, 2014
- Grube, 1857
- Grube, 1860
- Aguado, San Martín & ten Hove, 2008
- Grube, 1870
- Grube, 1840
- Krohn, 1869
- (Hartmann-Schröder, 1987)
- San Martín, 1984
- (Hartmann-Schröder, 1982)
- Aguado, San Martín & ten Hove, 2008
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