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beaked plant-eater
Kritosaurus
Say it like this: “KRIT-o-SAWR-us”
Kritosaurus navajovius
Kritosaurus ate plants and walked on two or four legs. It lived in the Late Cretaceous. Bones have been found in the United States.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 1910 · Brown, B.
- Hip height
- Not established
- Length
- 9–11 m · 30–36 ft
- Weight
- 4 tonnes
- Found in
- the United States · Kirtland
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Saurolophinae
The story in short
The genus Kritosaurus dates to 1910, the year B. Brown described it. The name means “separated lizard.”
Fossils referred to Kritosaurus date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from the United States, including the Kirtland Formation. It was a herbivore and could move on two or four legs.
Published estimates put Kritosaurus at a length near 9–11 m and a body mass around 4 tonnes.
On the family tree it sits in Saurolophinae, among the ornithopod dinosaurs.
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