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long-neck giant
Abydosaurus
Say it like this: “ah-BEE-do-SOR-us”
Abydosaurus mcintoshi
Abydosaurus ate plants and walked on four legs. It lived in the Early Cretaceous. Bones have been found in the United States.
- When
- Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
- Named in
- 2010 · Chure, D.; Britt, B. B.; Whitlock, J. A.; Wilson, J. A.
- Hip height
- 5 m · 16 ft
- Length
- 18.3 m · 60 ft
- Weight
- 26 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 Abydosaurus dates to 2010, the year D. Chure and colleagues described it. The name means “abydos lizard.”
Fossils referred to Abydosaurus date to the Early Cretaceous (Albian), roughly 113.2 to 100.5 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 Abydosaurus at a length near 18.3 m, hips about 5 m high, and a body mass around 26 tonnes.
On the family tree it sits in Brachiosauridae, among the sauropod dinosaurs.
Close relatives
Brachiosaurus
Brachiosaurus altithorax
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
Cedarosaurus
Cedarosaurus weiskopfae
Early Cretaceous (Valanginian) · roughly 137.1 to 132.6 million years ago
Giraffatitan
Giraffatitan brancai
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago