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beaked plant-eater
Hypsibema
Say it like this: “HIP-see-BEE-ma”
Hypsibema crassicauda
Hypsibema 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 · Maastrichtian) · roughly 83.6 to 66 million years ago
- Named in
- 1869 · Cope, E. D.
- Hip height
- Not established
- Length
- 12–17 m · 39–56 ft
- Weight
- Not established
- Found in
- the United States · Black Creek
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Hadrosauridae
The story in short
The genus Hypsibema dates to 1869, the year E. D. Cope described it. The name means “high step.”
Fossils referred to Hypsibema date to the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from the United States, including the Black Creek Formation. It was a herbivore and could move on two or four legs.
Published estimates put Hypsibema at a length near 12–17 m.
On the family tree it sits in Hadrosauridae, among the ornithopod dinosaurs.
This entry is the whole genus. The type species is Hypsibema crassicauda. Other named species include Hypsibema missouriensis.
Other species with this name
- Hypsibema crassicauda
- Hypsibema missouriensis
Close relatives
Aquilarhinus
Aquilarhinus palimentus
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Arstanosaurus
Arstanosaurus akkurganensis
Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Barsboldia
Barsboldia sicinskii
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago