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: Alocodon, Amtosaurus, Apulosauripus, Armatosauria, Cairanoolithidae, Chilesaurus, Delatorrichnopodidae, Delatorrichnus, Enoplosauria, Fabrosauridae, Fabrosaurus, Ferganocephale, Genasauria, Gregaripus, Gyrotrisauropus, Heterodontosauridae, Heterodontosauriformes, Komlosaurus, Krzyzanowskisaurus, Laquintasaura, Lesothosaurus, Ligabueichnium, Minisauripus, Neornithischia, Pisanosaurus, Predentata, Tacuarembovum, Trimucrodon, Poposauria, Stegosauroidae
Subtaxa: none
Ecology: ground dwelling herbivore
Distribution: there are no occurrences of Lesothosauria in the database