Look up · dinosaur 845 of 1,425
long-neck giant
Muyelensaurus
Say it like this: “moo-YEH-len-SOR-us”
Muyelensaurus pecheni
Muyelensaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Coniacian · Santonian) · roughly 89.8 to 83.6 million years ago
- Named in
- 2007 · Calvo, J. O.; González Riga, B. J.; Porfiri, J. D.
- Hip height
- 2.4 m · 8 ft
- Length
- 11 m · 36 ft
- Weight
- 2.5 tonnes
- Found in
- Argentina · Plottier
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Rinconsauria
The story in short
Muyelensaurus was formally named in 2007 by J. O. Calvo and colleagues. The name means “muyelen lizard.”
Fossils referred to Muyelensaurus date to the Late Cretaceous (Coniacian · Santonian), roughly 89.8 to 83.6 million years ago. Finds come from Argentina, including the Plottier Formation. It was a herbivore and walked on four legs.
Published estimates put Muyelensaurus at a length near 11 m, hips about 2.4 m high, and a body mass around 2.5 tonnes.
On the family tree it sits in Rinconsauria, among the sauropod dinosaurs.
Close relatives
Brasilotitan
Brasilotitan nemophagus
Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
Chadititan
Chadititan calvoi
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Rinconsaurus
Rinconsaurus caudamirus
Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago