Full reference: R. M. Casamiquela. 1967. Un nuevo dinosaurio ornitisquio triasico (Pisanosaurus mertii; Ornithopoda) de la Formación Ischigualasto, Argentina [A new Triassic ornithischian dinosaur (Pisanosaurus mertii; Ornithopoda) from the Ischigualasto Formation, Argentina]. Ameghiniana 4(2):47-64
Parent taxon: Ornithischia according to F.-L. Han et al. 2012
Sister taxa: Armatosauria, Delatorrichnus, Enoplosauria, Eocursor, Fabrosauridae, Ferganocephale, Genasauria, Gregaripus, Heterodontosauridae, Heterodontosauriformes, Komlosaurus, Krzyzanowskisaurus, Lesothosauria, Lesothosaurus, Metatetrapous, Neornithischia, Orthopoda, Tacuarembovum, Thyreophora, Xiaosaurus, Gongbusaurus wucaiwanensis
Subtaxa: Pisanosaurus mertii
Type: Pisanosaurus mertii
Ecology: ground dwelling herbivore