Family Eucytheridae Puri 1954 (ostracod)
Parent taxon: Cytheracea according to J. Blaszyk 1987
Sister taxa: Berounellidae, Bythocytheridae, Cytherideidae, Cytherissinellidae, Limnocytheridae, Tricornidae, Paracytherideidae, Protocytheridae, Cytheridae, Neocytherideidae, Trachyleberididae, Hemicytheridae, Loxoconchidae, Cytheruridae, Xestoleberididae, Glorianellidae
Subtaxa: Eucythere
Type: Eucythere
Ecology: epifaunal detritivore-grazer