Order Calanoida Family Centropagidae Genus Limnocalanus Limnocalanus macrurus Genus Osphranticum Osphranticum labronectum Family Diaptomidae Genus Aglaodiaptomus Aglaodiaptomus clavipes Aglaodiaptomus leptopus Aglaodiaptomus spatulocrenatus Genus Arctodiaptomus Arctodiaptomus dorsalis Arctodiaptomus floridanus Genus Hesperodiaptomus Hesperodiaptomus franciscanus Hesperodiaptomus shoshone Genus Leptodiaptomus Leptodiaptomus ashlandi Leptodiaptomus coloradensis Leptodiaptomus minutus Leptodiaptomus novamexicanus Leptodiaptomus nudus Leptodiaptomus sicilis Leptodiaptomus siciloides Leptodiaptomus signicauda Leptodiaptomus tyrrelli Genus Onychodiaptomus Onychodiaptomus birgei Onychodiaptomus sanguineus Genus Skistodiaptomus Skistodiaptomus mississippiensis Skistodiaptomus oregonensis Skistodiaptomus pallidus Skistodiaptomus pygmaeus Skistodiaptomus reighardi Family Temoridae Genus Epischura Epischura lacustris Epischura nordenskiøldi Genus Eurytemora Eurytemora affinis Genus Heterocope Heterocope septentrionalis Order Cyclopoida Family Cyclopidae Genus Acanthocyclops Acanthocyclops robustus Genus Cyclops Cyclops scutifer Genus Diacyclops Diacyclops thomasi Diacyclops bicuspidatus odessanus Genus Ectocyclops Ectocyclops phaleratus Genus Eucyclops Eucyclops agilis Eucyclops elegans Eucyclops prionophorus Genus Homocyclops Homocyclops ater Genus Macrocyclops Macrocyclops albidus Macrocyclops fuscus Genus Mesocyclops Mesocyclops edax Genus Microcyclops Microcyclops rubellus Microcyclops varicans Genus Orthocyclops Orthocyclops modestus Genus Tropocyclops Tropocyclops prasinus mexicanus   Order Harpacticoida   Order Poecilostomatoida Genus Ergasilus