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Four dinosaur species found in Chilean valley for first time: study

The fossils were found in Cerro Guido, in southern Chile's Las Chinas valley near the border with Argentina, and taken to a laboratory in 2021. The researchers said they belong to dinosaurs that have not previously been identified in the area.

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They also found remains of two bird species: an Enantiornithe, the most diverse and abundant group of birds of the Mesozoic; and Ornithurinae, a group directly related to present-day birds. The scientists' work was compiled in a study published last December in the prestigious Journal of South American Earth Sciences.