One recent classification based largely on fossils splits this group into a series of extinct superfamilies (below), and includes members of other infraorders, but this has not gained wide acceptance.[citation needed]
^Wiegmann, BM; Yeates, DK (2017). "Phylogeny of the Diptera". In Kirk-Spriggs, AH; Sinclair, BJ (eds.). Manual of Afrotropical Diptera. Suricata 4. Vol. 1. Introductory chapters and keys to Diptera families. South African National Biodiversity Institute, Pretoria. pp. 253–265.