Oithona atlantica Farran, 1908
Oithona decipiens Farran, 1913
Oithona nana Giesbrecht, 1893
Oithona parvula (Farran, 1908)
Oithona plumifera Baird, 1843
Oithona plumifera plumifera Baird, 1843 accepted as Oithona plumifera Baird, 1843
Oithona pulla (Farran, 1913)
Oithona robusta Giesbrecht, 1891
Oithona setigera Dana, 1853-1855 represented as Oithona setigera setigera Dana, 1853-1855
Oithona setigera setigera Dana, 1853-1855
Oithona similis Claus, 1866
Oithona spinirostris Claus, 1863 accepted as Oithona setigera Dana, 1853-1855 represented as Oithona setigera setigera Dana, 1853-1855
Oithona vivida Farran, 1913
Paroithona parvula Farran, 1908 accepted as Oithona parvula (Farran, 1908)
Paroithona pulla Farran, 1913 accepted as Oithona pulla (Farran, 1913)