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long-neck giant
Laplatasaurus
Say it like this: “lah-PLAHT-a-SAWR-us”
Laplatasaurus araukanicus
Laplatasaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 1929 · Huene, F. V.
- Hip height
- 1.8 m · 6 ft
- Length
- 10 m · 33 ft
- Weight
- 5 tonnes
- Found in
- Argentina · Anacleto
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Titanosauria
The story in short
In 1929, F. V. Huene published the name Laplatasaurus. The name honors a person tied to the fossil or its study.
Fossils referred to Laplatasaurus date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Argentina, including the Anacleto Formation. It was a herbivore and walked on four legs.
Published estimates put Laplatasaurus at a length near 10 m, hips about 1.8 m high, and a body mass around 5 tonnes.
On the family tree it sits in Titanosauria, among the sauropod dinosaurs.
Close relatives
Aegyptosaurus
Aegyptosaurus baharijensis
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Andesaurus
Andesaurus delgadoi
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Antarctosaurus
Antarctosaurus wichmannianus
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago