†Lithotachina Townsend 1921 (fly)
Full reference: C. H. T. Townsend. 1921. Some new muscoid genera ancient and recent. Insectur Inscitiae Menstuus 9:132-134
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, Megamerinidae, Mesobrachyopteryx, Muscidites, Muscomorpha, Oligophrynidae, Orthorrhapha, Pachyuronympha, Palaeophoridae, Proneottiophilidae, Prosechamyiidae, Protobrachycerontidae, Protocyrtus, Protomphralidae, Pseudopomyzidae, Remalia, Syrphopsis, Trichoceromorpha, Vermilionomorpha, Xylophagomorpha
Subtaxa: Lithotachina antiqua
Ecology: