The first fossil hilarimorphid fly (Diptera: Brachycera)

Although recent molecular phylogenetic analyses suggest a great antiquity, going into the Jurassic, for the small modern fly family Hilarimorphidae, no fossil was attributed to this group. The first fossil hilarimorphid null Cretahilarimorpha lebanensis null gen. et sp. nov., is described, based on a specimen from the Lower Cretaceous Lebanese amber. Its external morphology is analysed and compared with that of null Hilarimorpha , unique modern...