Edmontosaurus

Edmonton lizard

• Edmonton · English (place name) · Edmonton, Alberta, Canada (the Edmonton Formation)
• sauros · Greek · lizard

Edmontosaurus was named after the Edmonton Formation (now the Horseshoe Canyon Formation) in Alberta, Canada, where the first fossils were found. The Edmonton Formation itself takes its name from the nearby city of Edmonton. The Greek 'sauros' (lizard) was added, as is usual for dinosaur names, giving 'Edmonton lizard'.

Named by

Lambe

Year named

1917

Period

Late Cretaceous

Stages

Campanian – Maastrichtian

Found in

Western North America, including Alberta (Canada), Montana, South Dakota, Wyoming, and Alaska (USA)

A large hadrosaurid ('duck-billed dinosaur'). Some other genera, such as Anatotitan and Anatosaurus, have been treated as synonyms of it. The type species is Edmontosaurus regalis.