Nereididae Johnston, 1865
Nicon abyssalis Hartman, 1967
Nicon aestuariensis Knox, 1951
Nicon benhami Hartman, 1967
Nicon ehlersi Hartman, 1953
Nicon eugeniae Kinberg, 1866
Nicon japonicus Imajima, 1972
Nicon maculata Kinberg, 1866
Nicon misakiensis Imajima & Hayashi, 1969
Nicon moniloceras (Hartman, 1940)
Nicon peruviana Berkeley & Berkeley, 1964
Nicon pettiboneae Leon-Gonzalez & Salazar-Vallejo, 2003
Nicon pictus Kinberg, 1866
Nicon polaris Hartman, 1967
Nicon punctata (Wesenberg-Lund, 1949)
Nicon rotunda Hutchings & Reid, 1990
Nicon sinica Wu & Sun, 1979
Nicon tahitanus Kinberg, 1866
Nicon uncinatus Hartman, 1965
Nicon virgini Kinberg, 1866
Nicon yaquinae Fauchald, 1977
