Full reference: F. v. Huene. 1954. Die Saurierwelt und ihre Geschichtlichen Zusammenhänge [The World of Reptiles and the History of Their Interrelationships]. 2nd, revised edition 1-66
Parent taxon: Hadrosauriformes according to P. Cruzado-Caballero and J. E. Powell 2017
See also Gasparini et al. 2015, Godefroit et al. 2004, Godefroit et al. 1998, Huene 1954, McDonald 2012, McDonald et al. 2010, McDonald et al. 2010, Ramírez-Velasco et al. 2012, Ruiz-Omeñaca et al. 2007, Sereno 1986, Sereno 1997, Sereno 1998, Sereno 1999, Shibata and Azuma 2015, Shibata et al. 2015, Verdú et al. 2021, Wang et al. 2011, Wang et al. 2013, Wang et al. 2017, You et al. 2003, You et al. 2003 and Zhang et al. 2019
Sister taxa: Brighstoneus, Comptonatus, Proa, Siamodon
Subtaxa: Bactrosaurus Batyrosaurus Cedrorestes Claosaurus Datonglong Eolambia Equijubus Fukuisaurus Fylax Gilmoreosaurus Gobihadros Gongpoquansaurus Gonkoken Hadrosauridae Huehuecanauhtlus Iguanodon hillii Jeyawati Jintasaurus Koshisaurus Levnesovia Morelladon Nanningosaurus Nanyangosaurus Ovaloolithidae Penelopognathus Plesiohadros Portellsaurus Probactrosaurus Protohadros Ratchasimasaurus Shuangmiaosaurus Sirindhorna Spheroolithidae Tanius Telmatosaurus Tethyshadros Trachodon cantabrigiensis Xuwulong Yunganglong Zhanghenglong Zuoyunlong