Full reference: A. K. Rozhdestvensky. 1966. Novye igyanodonti ie tsentrallinoy Asii. Phillogeneticheskye y taksonomicheskye veaimoothoshenia poednich Iguanodontidae y rannich Hadrosauridae [New iguanodonts from central Asia. Phylogenetic and taxonomic relationships of late Iguanodontidae and early Hadrosauridae]. Paleontologicheskii Zhurnal 1966(3):103-116
Parent taxon: Hadrosauroidea according to A. A. Ramírez-Velasco et al. 2012
Sister taxa: Bactrosaurus, Batyrosaurus, Bolong, Cedrorestes, Claosaurus, Eolambia, Equijubus, Fukuisaurus, Gilmoreosaurus, Glishades, Hadrosauridae, Huehuecanauhtlus, Jeyawati, Jintasaurus, Jinzhousaurus, Levnesovia, Mantellisaurus, Nanyangosaurus, Penelopognathus, Protohadros, Saurolophidae, Shuangmiaosaurus, Spheroolithidae, Tanius, Telmatosaurus, Tethyshadros, Xuwulong
Subtaxa: Probactrosaurus gobiensis, Probactrosaurus mazongshanensis
Ecology: ground dwelling herbivore