Pseudodiaptomus nihonkaiensis Hirakawa, 1983

Hirakawa, K. . 1983. A new species of Pseudodiaptomus (Copepoda: Calanoida) from the coast of Niigata, the Japan Sea. Bulletin of Plankton Society of Japan 30(1): 65-69, figs. 1-3. (vii-1983).