Females: Ocular lenses separated by distance of less than their own length; P5 with 1 spine besides 2 setae. More characters can be accessed by backtracking the key: Page 1357: Copepoda: Genus Copilia females
Males: Mxp B with thickening proximal to midlength. More characters can be accessed by backtracking the key: Page 1353
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Poecilostomatoida Family Sapphirinidae Genus Copilia Species Copilia vitrea