Full reference: B. B. Rohdendorf. 1964. Istoricheskoe razvitie dvukrylykh nasekomykh [The historical development of Diptera]. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 100:1-311
Parent taxon: Brachycera according to F. M. Carpenter 1992
Sister taxa: Acanthomyites, Anthracida, Archisargoidea, Arthropiella, Asilomorpha, Chyromyidae, Dipterites, Eoasilidae, Eomyiidae, Eomyza, Eophlebomyiidae, Eostratiomyiidae, Epidia, Eremoneura, Liassonympha, Lithotachina, Megamerinidae, Mesobrachyopteryx, Muscidites, Muscomorpha, Oligophrynidae, Orthorrhapha, Palaeophoridae, Proneottiophilidae, Prosechamyiidae, Protobrachycerontidae, Protocyrtus, Protomphralidae, Pseudopomyzidae, Remalia, Syrphopsis, Trichoceromorpha, Vermilionomorpha, Xylophagomorpha
Subtaxa: Pachyuronympha karatauensis
Type: Pachyuronympha karatauensis
Ecology: