Polynoidae Malmgren, 1867
Harmothoe abyssicola Bidenkap, 1894
Harmothoe aculeata Andrews, 1891
Harmothoe acuminata Willey, 1902
Harmothoe aequispina (Langerhans, 1884)
Harmothoe africana Augener, 1918
Harmothoe alba (Malmgren, 1866)
Harmothoe anoculata (Hartmann-Schröder, 1975)
Harmothoe antarctica (McIntosh, 1885)
Harmothoe antilopes McIntosh, 1876
Harmothoe areolata (Grube, 1860)
Harmothoe ascidiicola
Harmothoe asiatica Uschakov & Wu, 1962
Harmothoe aspera (Hansen, 1878)
Harmothoe assimilis (Örsted, 1843)
Harmothoe atra Horst, 1915
Harmothoe australis Kirkegaard, 1995
Harmothoe balboensis Monro, 1928
Harmothoe bathydomus Ditlevsen, 1917
Harmothoe bellani Barnich & Fiege, 2000
Harmothoe benthaliana McIntosh, 1885
Harmothoe benthophila
Harmothoe beringiana Annenkova, 1952
Harmothoe borealis (Théel, 1879)
Harmothoe branchiata Hartman, 1971
Harmothoe campoglacialis Hilbig & Montiel, 2000
Harmothoe capensis (Willey, 1904)
Harmothoe capitulifera Ditlevsen, 1911
Harmothoe casabullicola Brito, Nuñez & Bacallado, 1991
Harmothoe cascabullicola Brito, Nuñez & Bacallado, 1991
Harmothoe charlottae Hutchings & Murray, 1984
Harmothoe cilielytris Uschakov, 1962
Harmothoe clavigera M. Sars, 1863
Harmothoe coeliaca de Saint-Joseph, 1888
Harmothoe commensalis Rozbaczylo & Cañete, 1993
Harmothoe cornuta (Potts, 1910)
Harmothoe craigsmithi Pettibone, 1993
Harmothoe crassicirrata Johnson, 1897
Harmothoe crosetensis (McIntosh, 1885)
Harmothoe crucis (Grube, 1856)
Harmothoe cylindrica Imajima, 1997
Harmothoe dearborni Pettibone, 1955
Harmothoe derjugini (Annenkova, 1937)
Harmothoe dictyophora (Grube, 1878)
Harmothoe dinardensis Nolte, 1936
Harmothoe discoveryae Pettibone, 1993
Harmothoe elisabethae (McIntosh, 1900)
Harmothoe eltanina (Hartman, 1967)
Harmothoe ernesti Augener, 1931
Harmothoe evei Kirkegaard, 1980
Harmothoe exanthema (Grube, 1856)
Harmothoe extenuata (Grube, 1840)
Harmothoe fernandi Barnich & Fiege, 2009
Harmothoe fimbriata Hartmann-Schröder, 1965
Harmothoe flaccida (Potts, 1910)
Harmothoe floccosa
Harmothoe forcipata (Marenzeller, 1902)
Harmothoe fragilis Moore, 1910
Harmothoe fraserthomsoni McIntosh, 1897
Harmothoe fratherthomsoni McIntosh, 1897
Harmothoe fuligineum (Baird, 1865)
Harmothoe fullo (Grube, 1878)
Harmothoe fusca (McIntosh, 1885)
Harmothoe fuscaspinae Salazar-Silva, 2003
Harmothoe gilchristi Day, 1960
Harmothoe glabra (Malmgren, 1866)
Harmothoe globifera (G.O. Sars, 1873)
Harmothoe globosa Pettibone, 1990
Harmothoe glomerosa Imajima, 1997
Harmothoe gordae Pettibone, 1990
Harmothoe goreensis Augener, 1918
Harmothoe grisea (Grube, 1870)
Harmothoe gruzovi Averincev, 1972
Harmothoe haliaeti McIntosh, 1876
Harmothoe helderensis Nolte, 1936
Harmothoe hirsuta Johnson, 1897
Harmothoe hollisi Pettibone, 1989
Harmothoe holothuricola Izuka, 1912
Harmothoe hyalonemae Martin, Rossel & Uriz, 1992
Harmothoe imbricata (Linnaeus, 1767)
Harmothoe impar (Johnston, 1839)
Harmothoe ingolfiana Ditlevsen, 1917
Harmothoe johnstoni (McIntosh, 1876)
Harmothoe joubini Fauvel, 1913
Harmothoe juvenalis Hartmann-Schröder, 1962
Harmothoe kergulensis (McIntosh, 1885)
Harmothoe kieliensis Nolte, 1936
Harmothoe lamellifora
Harmothoe lanceocirrata Treadwell, 1928
Harmothoe liaoi Barnich, Sun & Fiege, 2004
Harmothoe longidentis Salazar-Silva, 2003
Harmothoe longisetis (Grube, 1863)
Harmothoe macginitiei Pettibone, 1955
Harmothoe macnabi Pettibone, 1985
Harmothoe macquoriensis Averincev, 1978
Harmothoe magellanica (McIntosh, 1885)
Harmothoe malmgreni Lankester, 1866
Harmothoe mariannae Barnich & Fiege, 2009
Harmothoe melanicornis Britaev, 1981
Harmothoe meteroae Augener, 1931
Harmothoe mexicana Chamberlin, 1919
Harmothoe micraspis Eliason, 1962
Harmothoe minuta (Potts)
Harmothoe multisetosa (Moore, 1902)
Harmothoe norvegica Bidenkap, 1895
Harmothoe notochaetosa Lopez & San Martin, 1996
Harmothoe oculata Potts, 1915
Harmothoe oculinarum (Storm, 1879)
Harmothoe pagenstecheri Michaelsen, 1896
Harmothoe panamensis Kirkegaard, 1995
Harmothoe paraminuta Hartmann-Schröder, 1984
Harmothoe paxtoni Averincev, 1978
Harmothoe pentactae (Giard, 1886)
Harmothoe picta Saint-Joseph, 1888
Harmothoe pokoui Intes & Le Loeuff, 1975
Harmothoe praeclara (Haswell, 1883)
Harmothoe profunda
Harmothoe propinqua (Malmgren, 1867)
Harmothoe pulchella (Kinberg, 1856)
Harmothoe quadriceps Grube in Augener, 1922
Harmothoe quadrituberculata Augener, 1922
Harmothoe rarispina (M. Sars, 1861)
Harmothoe reticulata (Claparède, 1870)
Harmothoe rottnestensis Hanley, 1993
Harmothoe saldanha Day, 1953
Harmothoe sanctaehelenae Day, 1949
Harmothoe serrata Day, 1963
Harmothoe setosissima (Lamarck, 1818)
Harmothoe sexdentata (Marenzeller, 1902)
Harmothoe sinensis Barnich, Sun & Fiege, 2004
Harmothoe spinifera (Ehlers, 1864)
Harmothoe spinosa Kinberg, 1856
Harmothoe spinulosa
Harmothoe spongicola Hanley & Burke, 1991
Harmothoe stephensoni Pettibone, 1993
Harmothoe sylliformia Treadwell, 1928
Harmothoe synaptae Saint-Joseph, 1906
Harmothoe tahitensis Pettibone, 1993
Harmothoe talismani Roule, 1898
Harmothoe tenebricosa Moore, 1910
Harmothoe tenuisetis (McIntosh, 1885)
Harmothoe triannulata Moore, 1910
Harmothoe tridestinensis Nolte, 1936
Harmothoe trilobocephala (Morgera, 1918)
Harmothoe trimaculata (Treadwell, 1924)
Harmothoe turbinata Hanley & Burke, 1991
Harmothoe vagabunda Pettibone, 1985
Harmothoe variegata Treadwell, 1917
Harmothoe vesicudenta Hanley & Burke, 1991
Harmothoe vinogradovae Averincev, 1978
Harmothoe viridis Loshamn, 1981
Harmothoe viscayensis Nolte, 1936
Harmothoe vittata Trautsch, 1889
Harmothoe vossae Salazar-Silva, 2003
Harmothoe waahli (Kinberg, 1856)
Harmothoe watsoni McIntosh, 1919
Harmothoe yendoi Izuka, 1912