Females: Terminal spines of P5 terminal segment as long as leg itself. More characters can be accessed by backtracking the key: Page 601
Males: Terminal segment of right P5 with 3 small spines. More characters can be accessed by backtracking the key: Page 1207
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Calanoida Family Paracalanidae Genus Calocalanus Species Calocalanus lomonosovi