†Protohadros Head 1998 (bird foot dinosaur)
Full reference: J. J. Head. 1998. A new species of basal hadrosaurid (Dinosauria, Ornithischia) from the Cenomanian of Texas. Journal of Vertebrate Paleontology 18(4):718-738
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, Probactrosaurus, Saurolophidae, Shuangmiaosaurus, Spheroolithidae, Tanius, Telmatosaurus, Tethyshadros, Xuwulong
Subtaxa: Protohadros byrdi
Ecology: ground dwelling herbivore