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early long-neck
Adeopapposaurus
Say it like this: “ah-dee-o-pah-po-sor-us”
Adeopapposaurus mognai
Adeopapposaurus ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in Argentina.
- When
- Early Jurassic (Hettangian–Toarcian) · roughly 201.4 to 174.7 million years ago
- Named in
- 2009 · Martínez, R. N.
- Hip height
- 0.8 m · 3 ft
- Length
- 2.9 m · 10 ft
- Weight
- 60 kg · 132 lb
- Found in
- Argentina · Cañón del Colorado
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Massospondylidae
The story in short
Adeopapposaurus was formally named in 2009 by R. N. Martínez. The name means “far eating lizard.”
Fossils referred to Adeopapposaurus date to the Early Jurassic (Hettangian–Toarcian), roughly 201.4 to 174.7 million years ago. Finds come from Argentina, including the Cañón del Colorado Formation. It was a herbivore and walked on two legs.
Published estimates put Adeopapposaurus at a length near 2.9 m, hips about 0.8 m high, and a body mass around 60 kg.
On the family tree it sits in Massospondylidae, among the early long-necked dinosaurs.
Close relatives
Coloradisaurus
Coloradisaurus brevis
Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago
Fulengia
Fulengia youngi
Early Jurassic (Sinemurian) · roughly 199.5 to 192.9 million years ago
Glacialisaurus
Glacialisaurus hammeri
Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago