↑David B. Norman; David B. Weishampel (1990). "Iguanodontidae and related ornithopods". In Dodson, Peter; Osmólska, Halszka (eds.). The Dinosauria. Berkeley: University of California Press. pp.510–533. ISBN0-520-06727-4.
↑Norman, David B. (2004). "Basal Iguanodontia". In Dodson P.; Osmólska H (eds.). The Dinosauria (2nded.). Berkeley: University of California Press. pp.413–437. ISBN0-520-24209-2.
↑Ruiz-Omeñaca, José Ignacio; Pereda Suberbiola, Xabier; Galton, Peter M. (2007). "Callovosaurus leedsi, the earliest dryosaurid dinosaur (Ornithischia: Euornithopoda) from the Middle Jurassic of England". In Carpenter, Kenneth (ed.). Horns and beaks: Ceratopsian and Ornithopod dinosaurs. Bloomington and Indianapolis: Indiana University Press. pp.3–16. ISBN978-0-253-34817-3.