Family Diastatidae Frey 1921 (fly)
Parent taxon: Ephydroidea according to D. A. Grimaldi and A. H. Kirk-Spriggs 2012
Sister taxa: Camillidae, Cryptochetidae, Curtonotidae, Drosophilidae, Ephydridae
Subtaxa: Diastata, Pareuthychaeta
Ecology: