Family Lygistorrhinidae Edwards 1925 (long beaked fungus gnat)
Parent taxon: Sciaroidea according to V. A. Blagoderov and D. Grimaldi 2004
Sister taxa: Bolitophilidae, Cecidomyiidae, Diadocidiidae, Ditomyiidae, Keroplatidae, Mycetophilidae, Paraxymyiidae, Sciaridae, Thereotricha
Subtaxa: Archaeognoriste, Lebanognoriste, Leptognoriste, Palaeognoriste, Parisognoriste, Plesiognoriste, Protognoriste
Ecology: