What is Tenontosaurus?
{{Taxobox | name = ''Tenontosaurus'' | image = Tenontosaurus.jpg | image_width = 250px | image_caption = Mounted skeleton, North Carolina Museum of Natural Sciences | fossil_range = [[Lower Cretaceous]] | regnum = [[Animal]]ia | phylum = [[Chordate|Chordata]] | classis = [[Reptile|Reptilia]] | superordo = [[Dinosaur]]ia | ordo = [[Ornithischia]] | subordo = [[Cerapoda]] | infraordo = [[Ornithopod]]a | genus = '''''Tenontosaurus''''' | genus_authority = [[John Ostrom|Ostrom]], 1970 | subdivision_ranks = [[Species]] | subdivision = * ''T. tilletti'' <small>Ostrom, 1970 ([[Type species|type]])</small> * ''T. dossi'' <small>Winkler, Murray & Jacobs, 1997</small> }} '''''Tenontosaurus''''' is a genus of medium- to large-sized [[ornithopod]] [[dinosaur]]. It was formerly thought to be a 'hypsilophodont', but since Hypsilophodontia is no longer considered a [[clade]], it is now considered to be a very primitive [[iguanodont]]. {{biology-stub}} [[category:Ornithopods]] [[Category:Cretaceous dinosaurs]]