Look up · dinosaur 258 of 1,425
long-neck giant
Cedarosaurus
Say it like this: “SEE-duh-ro-SAWR-us”
Cedarosaurus weiskopfae
Cedarosaurus ate plants and walked on four legs. It lived in the Early Cretaceous. Bones have been found in the United States.
- When
- Early Cretaceous (Valanginian) · roughly 137.1 to 132.6 million years ago
- Named in
- 1999 · Tidwell, V.; Carpenter, K.; Brooks, W.
- Hip height
- 2.3 m · 8 ft
- Length
- 15 m · 49 ft
- Weight
- 10 tonnes
- Found in
- the United States · Cedar Mountain
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Brachiosauridae
The story in short
The genus Cedarosaurus dates to 1999, the year V. Tidwell and colleagues described it. The name means “cedar lizard.”
It lived in the Early Cretaceous (Valanginian), roughly 137.1 to 132.6 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a herbivore and walked on four legs.
Published estimates put Cedarosaurus at a length near 15 m, hips about 2.3 m high, and a body mass around 10 tonnes.
On the family tree it sits in Brachiosauridae, among the sauropod dinosaurs.
Close relatives
Abydosaurus
Abydosaurus mcintoshi
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Brachiosaurus
Brachiosaurus altithorax
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
Giraffatitan
Giraffatitan brancai
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago