90-Million-Year-Old Patagonian Fossil Reveals Missing Chapter in Evolution of Alvarezsauroid Dinosaurs
A remarkably complete skeleton of the alvarezsauroid dinosaur species Alnashetri cerropoliciensis from Patagonia, Argentina, as well as two alvarezsauroid specimens from the northern hemisphere reveal how the once-mysterious lineage of theropod dinosaurs evolved and spread before continents drifted apart.
The post 90-Million-Year-Old Patagonian Fossil Reveals Missing Chapter in Evolution of Alvarezsauroid Dinosaurs appeared first on Sci.News: Breaking Science News.
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