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A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived alongside dinosaurs and were the first vertebrates to evolve powered ...
Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...
The recent discovery of a new sauropod dinosaur species, Cienciargentina sanchezi, from Argentina’s Neuquén Province stunned ...