Spionidae Grube, 1850
Polydora aciculata Blake & Kudenov, 1978
Polydora aggregata Blake, 1969
Polydora alborectalis Radashevsky, 1993
Polydora alloporis Light, 1970
Polydora anoculata Moore, 1907
Polydora anophthalma Rioja, 1962
Polydora antonbruunae Blake, 1983
Polydora attenuata Claparède, 1868
Polydora aura Sato-Okoshi, 1998
Polydora barbilla Blake, 1981
Polydora bioccipitalis Blake & Woodwick, 1971
Polydora blakei Maciolek, 1984
Polydora brachycephala
Polydora brevipalpa Zachs, 1933
Polydora californica Treadwell, 1914
Polydora capensis Day, 1955
Polydora carinhosa Radashevsky, Lana & Nalesso, 2006
Polydora carunculata Radashevsky, 1993
Polydora cavitensis Pillai, 1965
Polydora ciliata (Johnston, 1838)
Polydora ciliate (Johnston, 1839)
Polydora cirrosa Rioja, 1943
Polydora colonia Moore, 1907
Polydora concharum Verrill, 1879
Polydora convexa Blake & Woodwick, 1971
Polydora cornuta Bosc, 1802
Polydora curiosa Radashevsky, 1994
Polydora derjugini Zachs, 1933
Polydora ecuadoriana Blake, 1983
Polydora flava Claparède, 1870
Polydora fulva Grube, 1878
Polydora fusca Radashevsky & Hsieh, 2000
Polydora gaikwadi Day, 1973
Polydora glycymerica Radashevsky, 1993
Polydora goreensis Augener, 1918
Polydora gracilis Verrill, 1880
Polydora hartmanae
Polydora haswelli Blake & Kudenov, 1978
Polydora hermaphroditica Hannerz, 1956
Polydora heterochaeta Rioja, 1939
Polydora hoplura Claparède, 1869
Polydora hornelli Willey, 1905
Polydora kaneohe Ward, 1981
Polydora langerhansi Mesnil, 1896
Polydora laticephala Hartmann-Schröder, 1959
Polydora latispinosa Blake & Kudenov, 1978
Polydora limicola Annenkova, 1934
Polydora mabinii Williams, 2001
Polydora maculata Day, 1963
Polydora magellanica Blake, 1983
Polydora magna Berkeley, 1927
Polydora manchenkoi Radashevsky & Pankova, 2006
Polydora monilaris Ehlers, 1905
Polydora mossambica Hartman, 1974
Polydora narica Light, 1969
Polydora neocaeca Williams & Radashevsky, 1999
Polydora neocardalia Hartman, 1961
Polydora normalis Day, 1957
Polydora notialis Blake & Kudenov, 1978
Polydora nuchalis Woodwick, 1953
Polydora pacifica Takahashi, 1937
Polydora paucibranchis Ehlers, 1913
Polydora pencillata Hutchings & Rainer, 1979
Polydora penicillata Hutchings & Rainer, 1979
Polydora peristomialis Hartman, 1974
Polydora pilikia Ward, 1981
Polydora pilocollaris Blake & Kudenov, 1978
Polydora plena Berkeley & Berkeley, 1936
Polydora posthamata Jones, 1962
Polydora protuberata Blake & Kudenov, 1978
Polydora punctata Hartmann-Schröder, 1959
Polydora pygidialis Blake & Woodwick, 1971
Polydora rickettsi Woodwick, 1961
Polydora robi Williams, 2000
Polydora rogeri Martin, 1996
Polydora spondylana Mohammad, 1973
Polydora spongicola Berkeley & Berkeley, 1950
Polydora tentaculata Blake & Kudenov, 1978
Polydora tetrabranchia Hartman, 1945
Polydora tridenticulata Woodwick, 1964
Polydora triglanda Radashevsky & Hsieh, 2000
Polydora trilobata Radashevsky, 1993
Polydora umangivora Williams, 2001
Polydora uncinata Sato-Okoshi, 1998
Polydora uschakovi Buzhinskaja, 1971
Polydora variegata Imajima & Sato, 1984
Polydora villosa Radashevsky & Hsieh, 2000
Polydora vulcanica Radashevsky, 1994
Polydora vulgaris Mohammad, 1972
Polydora websteri Hartman in Loosanoff & Engle, 1943
Polydora wobberi Light, 1970
Polydora wolokowensis Zachs, 1925
Polydora woodwicki Blake & Kudenov, 1978