this into question. The first remains of Hypsilophodon were found in 1849; the type species, Hypsilophodon foxii, was named in 1869. Abundant fossil discoveries...

most inclusive group containing Parasaurolophus walkeri but not Hypsilophodon foxii. Later, in 2005, he amended the definition to include Thescelosaurus...

and Talenkauen santacrucensis, provided that it does not include Hypsilophodon foxii, Iguanodon bernissartensis, or Thescelosaurus neglectus. Fonseca...

Thescelosaurus neglectus but not Iguanodon bernissartensis, as long as Hypsilophodon foxii was not in the group, modifying previous definitions for Thescelosauridae...

excavated the types of new dinosaur genera, including Aristosuchus, Hypsilophodon foxii, and Polacanthus. Most of the discoveries were then transferred to...

Lesothosaurus diagnosticus ? Heterodontosauridae Euornithopoda Hypsilophodon foxii Thescelosaurus neglectus Iguanodontia (Edmontosaurus > Thescelosaurus)...

Dryosaurus, Hypsilophodon and then Lesothosaurus and its relatives. While the study of Norman placed ceratopsians between Hypsilophodon and more derived...

neornithischians more closely related to Jeholosaurus shangyuanensis than to Hypsilophodon foxii, Iguanodon bernissartensis, Protoceratops andrewsi, Pachycephalosaurus...

finder. These include Polacanthus foxii, Hypsilophodon foxii, Eucamerotus foxi, Iguanodon foxii, Calamosaurus foxii (formerly Calamospondylus) and Aristosuchus...

discovered by William D. Fox in 1865 or 1866 and was first assigned to Hypsilophodon foxii by Lydekker (1888). Lydekker (1891) moved NHMUK R.186 to Aristosuchus...