†order Lesothosauria Olshevsky 1991 (ornithischian)
Full reference: G. Olshevsky. 1991. A revision of the parainfraclass Archosauria Cope, 1869, excluding the advanced Crocodylia. Mesozoic Meanderings 2:1-196
Parent taxon: Ornithischia according to G. Olshevsky 1992
Sister taxa: Armatosauria, Delatorrichnus, Enoplosauria, Eocursor, Fabrosauridae, Ferganocephale, Genasauria, Gregaripus, Heterodontosauridae, Heterodontosauriformes, Komlosaurus, Krzyzanowskisaurus, Lesothosaurus, Metatetrapous, Neornithischia, Orthopoda, Pisanosaurus, Tacuarembovum, Thyreophora, Xiaosaurus, Gongbusaurus wucaiwanensis
Subtaxa: none
Ecology: ground dwelling herbivore