Females: Forehead usually strongly vaulted. Distance (L) between spiniform processes 2 and 3 of P3 B equal to or more than 2.0 times proximal width (D) of process 3; process 2 and 3 uniformly tapering from base. CR more than 1.65 times as long as wide. More characters can be accessed by backtracking the key: Page 764
Males:P3 B with spiniform processes 1-3 slender and tapering uniformly from base. CR more than 1.6 times as long as wide. More characters can be accessed by backtracking the key: Page 1124
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Calanoida Family Clausocalanidae Genus Clausocalanus Species Clausocalanus laticeps
