- Oithona atlantica Farran, 1908
- Oithona fallax Farran, 1913
- Oithona frigida Giesbrecht, 1902
- Oithona frigida frigida Giesbrecht, 1902 accepted as Oithona frigida Giesbrecht, 1902
- Oithona plumifera Baird, 1843
- Oithona plumifera plumifera Baird, 1843 accepted as Oithona plumifera Baird, 1843
- Oithona similis Claus, 1866
- Oithona simplex Farran, 1913 represented as Oithona simplex simplex Farran, 1913
- Oithona simplex simplex Farran, 1913