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beaked plant-eater
Isasicursor
Say it like this: “ih-SAH-see-KUR-sor”
Isasicursor santacrucensis
Isasicursor ate plants and walked on two 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
- 2019 · Novas, F.; Agnolin, F.; Rozadilla, S.; Aranciaga-Rolando, A.; Brissón Egli, F.; Motta, M.; Cerroni, M.; Ezcurra, M.; Martinelli, A.; D´Angelo, J.; Álvarez-Herrera, G.; Gentil, A.; Bogan, S.; Chimento, N.; García Marsà, J. A.; Lo Coco, G.; Miquel, S.; Brito, F.; Vera, E.; Loinaze, V.; Fernandez, M.; Salgado, L.
- Hip height
- Not established
- Length
- 4.5 m · 15 ft
- Weight
- 250 kg · 551 lb
- Found in
- Argentina · Chorrillo
- Food and walking
- Herbivore · Two legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Elasmaria
The story in short
The genus Isasicursor dates to 2019, the year F. Novas and colleagues described it. The name honors a person tied to the fossil or its study.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Argentina, including the Chorrillo Formation. It was a herbivore and walked on two legs.
Published estimates put Isasicursor at a length near 4.5 m and a body mass around 250 kg.
On the family tree it sits in Elasmaria, among the ornithopod dinosaurs.
Close relatives
Anabisetia
Anabisetia saldiviai
Late Cretaceous (Turonian) · roughly 93.9 to 89.8 million years ago
Atlascopcosaurus
Atlascopcosaurus loadsi
Early Cretaceous (Barremian · Aptian · Albian) · roughly 125.8 to 100.5 million years ago
Chakisaurus
Chakisaurus nekul
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago