Females: P5segment 4 1/3 length of segment 3; segment 3 often without outer edge spine. More characters can be accessed by backtracking the key: Page 535
Males: Posterior corners of Pr bearing minor knob. More characters can be accessed by backtracking the key: Page 1044
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Calanoida Family Metridinidae Genus Metridia Species Metridia curticauda
