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long-neck giant
Hudiesaurus
Say it like this: “HOO-dyeh-SAWR-us”
Hudiesaurus sinojapanorum
Hudiesaurus ate plants and walked on four legs. It lived in the Late Jurassic. Bones have been found in China.
- When
- Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
- Named in
- 1997 · Dong, Z.
- Hip height
- 3.7 m · 12 ft
- Length
- 25–32 m · 82–105 ft
- Weight
- 25–55 tonnes
- Found in
- China · Kalazha
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Mamenchisauridae
The story in short
Hudiesaurus was formally named in 1997 by Z. Dong.
Fossils referred to Hudiesaurus date to the Late Jurassic (Kimmeridgian · Tithonian), roughly 154.8 to 143.1 million years ago. Finds come from China, including the Kalazha Formation. It was a herbivore and walked on four legs.
Published estimates put Hudiesaurus at a length near 25–32 m, hips about 3.7 m high, and a body mass around 25–55 tonnes.
On the family tree it sits in Mamenchisauridae, among the sauropod dinosaurs.
Close relatives
Analong
Analong chuanjieensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago
Anhuilong
Anhuilong diboensis
Middle Jurassic (Aalenian–Callovian) · roughly 174.7 to 161.5 million years ago
Chuanjiesaurus
Chuanjiesaurus anaensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago