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long-neck giant
Brachytrachelopan
Say it like this: “brak-i-trak-eh-loh-pan”
Brachytrachelopan mesai
Brachytrachelopan ate plants and walked on four legs. It lived in the Late Jurassic. Bones have been found in Argentina.
- When
- Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
- Named in
- 2005 · Rauhut, O. W. M.; Remes, K.; Fechner, R.; Cladera, G.; Puerta, P.
- Hip height
- Not established
- Length
- 10–11 m · 33–36 ft
- Weight
- 5 tonnes
- Found in
- Argentina · Cañadón Calcáreo
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Dicraeosauridae
The story in short
Brachytrachelopan was formally named in 2005 by O. W. M. Rauhut and colleagues.
Fossils referred to Brachytrachelopan date to the Late Jurassic (Kimmeridgian · Tithonian), roughly 154.8 to 143.1 million years ago. Finds come from Argentina, including the Cañadón Calcáreo Formation. It was a herbivore and walked on four legs.
Published estimates put Brachytrachelopan at a length near 10–11 m and a body mass around 5 tonnes.
On the family tree it sits in Dicraeosauridae, among the sauropod dinosaurs.