Four new vertebrate fossil finds in Ischigualasto, Argentina

dy in the Late Triassic," said Alcober, who has documented four species now from the same Los Colorados Formation. "This group was already diversified before the Jurassic, more evidence of the consistency of the faunas through the Triassic-Jurassic boundary."

Earthwatch teams have been collaborating with Alcober to unearth the Triassic treasures of the Ischigualasto Valley since 1994, excavating many new finds and adding greatly to our understanding of the period. The site, known as "Valley of the Moon" for its dramatic rock formations, is one of the few places in the world where one can find a fossil record of the entire Triassic Period, when both the first mammals and first dinosaurs appeared.

"Earthwatch volunteers have played a fundamental role in our expeditions," said Alcober. "In addition to providing funding, some of the most important findings in this basin were made by volunteers."

The establishment of Ischigualasto-Talampaya National Park, a UNESCO World Heritage Site, allowed the access to related fossil beds in neighboring La Rioja Province, where teams made these latest finds last year. According to Alcober, the new site is "packed with fossils," and will be the focus of future Earthwatch teams.


Contact: Blue Magruder
Earthwatch Institute

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