†Propappus Seeley 1888 (reptile)
Parent taxon: Pareiasauria according to R. Broom 1913
Sister taxa: Arganaceras, Bradysaurus, Bunostegos, Elginia, Parasaurus, Pareiasauridae, Pareiasaurus, Pareiasuchus, Rhipaeosauridae, Shansisaurus, Shihtienfenia
Subtaxa: Propappus omocratus, Propappus rogersi
Ecology: herbivore