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Ancient Huayracursor Jaguensis: Oldest Dinosaur Unearthed in Andes

10/18/2025

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Summary

Story summary

Argentina's CONICET announced the discovery of Huayracursor Jaguensis, one of the world's oldest dinosaurs, from the Andes at about 3,000 meters, with the report published in Nature.
The nearly complete skeleton includes part of the skull, a full vertebral column, and intact limbs.
The species lived 230–225 million years ago in the late Triassic and measured about two meters long, weighing around 18 kilograms.

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Story summary

Argentina's CONICET announced the discovery of Huayracursor Jaguensis, one of the world's oldest dinosaurs, from the Andes at about 3,000 meters, with the report published in Nature.
The nearly complete skeleton includes part of the skull, a full vertebral column, and intact limbs.
The species lived 230–225 million years ago in the late Triassic and measured about two meters long, weighing around 18 kilograms.