Parent taxon: Nematocera according to D. K. Yeates et al. 2007
See also Evenhuis 1994 and Krzemiński 1992
Sister taxa: Amblylexis, Amianta, Amphipromeca, Apistogrypotes, Asiochaoboridae, Asuba, Axymyioidea, Axymyiomorpha, Bibionites, Blephariceromorpha, Bodephora, Clavapartus, Culiciscolex, Cyrtomides, Dara, Elliidae, Ellipibodus, Empidocampe, Eoculex, Eopolyneuridae, Hongocaloneura, Hongocaloneuridae, Hyperpolyneuridae, Meconeura, Mesophantasmatidae, Mesosciophilidae, Nymphomyiomorpha, Palaeoerioptera, Palaeophoridae, Paradictyodiptera, Penthetria vaillantii, Platyplecia, Plecia nigrescens, Propexis, Protendipedidae, Rhopaloscolex, Sama, Serendipidae, Sphallonymphites, Strashilidae, Tipulomorpha, Tipulopleciidae, Venapaucia
Subtaxa: Ansorgiidae Eoptychopteroidea Ptychopteridae Tanyderophrynidae
Ecology: