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beaked plant-eater
Edmontosaurus
Say it like this: “ed-MON-tuh-SOR-uhs”
Edmontosaurus regalis
Edmontosaurus ate plants and walked on two or four legs. It lived in the Late Cretaceous. Bones have been found in Canada and the United States.
- When
- Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
- Named in
- 1917 · Lambe, L. M.
- Hip height
- 3.2 m · 10 ft
- Length
- 7–15 m · 23–49 ft
- Weight
- 4–15.9 tonnes
- Found in
- Canada and the United States · Horseshoe Canyon
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Saurolophinae
The story in short
In 1917, L. M. Lambe published the name Edmontosaurus. The name means “lizard from Edmonton.”
It lived in the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from Canada and the United States, including the Horseshoe Canyon Formation. It was a herbivore and could move on two or four legs.
Published estimates put Edmontosaurus at a length near 7–15 m, hips about 3.2 m high, and a body mass around 4–15.9 tonnes.
On the family tree it sits in Saurolophinae, among the ornithopod dinosaurs.
This entry is the whole genus. The type species is Edmontosaurus regalis. Other named species include Edmontosaurus annectens.
Other species with this name
- Edmontosaurus regalis
- Edmontosaurus annectens
Close relatives
Acristavus
Acristavus gagslarsoni
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Ahshislesaurus
Ahshislesaurus wimani
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Anasazisaurus
Anasazisaurus horneri
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago