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Tag: Alvarezsaur evolution Patagonia
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90-million-year-old Alnashetri skeleton reveals early alvarezsaur evolution in Patagonia
A nearly complete 90-million-year-old skeleton of Alnashetri cerropoliciensis was discovered in northern Patagonia at the La Buitrera fossil site in 2014 and described in 2026. The fossil belongs…