Females: P5 Exp2 inner spine extends well beyond distal border of Exp3. More characters can be accessed by backtracking the key: Page 463
Males: Right P5 Exp3 sharply curved at an acute angle about 1/3 of its length from proximal end. More characters can be accessed by backtracking the key: Page 1012
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Calanoida Family Centropagidae Genus Centropages Species Centropages calaninus