| Authors(s) | Tanaka, O. and M. Omori. |
| Year | 1970a |
| Title | Additional report on calanoid copepods from the Izu region. Part 3 A. Euaetideus, Aetideopsis , Chiridius , Gaidius and Gaetanus. Publs Seto Mar. biol. Lab. 18(2): 109-141. |
- Aetideopsis armata
- Aetideopsis multiserrata
- Aetideopsis rostrata
- Aetideus acutus
- Aetideus bradyi
- Chiridius gracilis
- Chiridius molestus
- Chiridius poppei
- Gaetanus antarcticus
- Gaetanus armiger
- Gaetanus brevicornis
- Gaetanus brevispinus
- Gaetanus kruppii
- Gaetanus latifrons
- Gaetanus minispinus
- Gaetanus minor
- Gaetanus minutus
- Gaetanus pileatus
- Gaetanus pungens
- Gaetanus robustus
- Gaetanus tenuispinus