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A fossil from a seagull-sized winged reptile that lived millions of years ago was found in Arizona, and the creature has now ...
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 ...