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long-neck giant
Arackar
Arackar licanantay
Arackar ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Chile.
- When
- Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
- Named in
- 2021 · Rubilar-Rogers, D.; Vargas, A. O.; González Riga, B.; Soto-Acuña, S.; Alarcón-Muñoz, J.; Iriarte-Díaz, J.; Arévalo, C.; Gutstein, C. S.
- Hip height
- 1.5 m · 5 ft
- Length
- 6.3 m · 21 ft
- Weight
- 1.5 tonnes
- Found in
- Chile · Hornitos
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Saltasauroidea
The story in short
In 2021, D. Rubilar-Rogers and colleagues published the name Arackar.
It lived in the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from Chile, including the Hornitos Formation. It was a herbivore and walked on four legs.
Published estimates put Arackar at a length near 6.3 m, hips about 1.5 m high, and a body mass around 1.5 tonnes.
On the family tree it sits in Saltasauroidea, among the sauropod dinosaurs.
Close relatives
Bustingorrytitan
Bustingorrytitan shiva
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Isisaurus
Isisaurus colberti
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Mansourasaurus
Mansourasaurus shahinae
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago