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long-neck giant
Bonatitan
Say it like this: “BO-nuh-TIE-tuhn”
Bonatitan reigi
Bonatitan ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 2004 · Martinelli, A.; Forasiepi, A.
- Hip height
- 1.5 m · 5 ft
- Length
- 6 m · 20 ft
- Weight
- 2 tonnes
- Found in
- Argentina · Allen
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Saltasaurinae
The story in short
Bonatitan was formally named in 2004 by A. Martinelli and A. Forasiepi. The name honors a person tied to the fossil or its study.
Fossils referred to Bonatitan date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Argentina, including the Allen Formation. It was a herbivore and walked on four legs.
Published estimates put Bonatitan at a length near 6 m, hips about 1.5 m high, and a body mass around 2 tonnes.
On the family tree it sits in Saltasaurinae, among the sauropod dinosaurs.
Close relatives
Ibirania
Ibirania parva
Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Loricosaurus
Loricosaurus scutatus
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Neuquensaurus
Neuquensaurus australis
Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago