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1880, in the meaning defined above
borrowed from New Latin, borrowed from Greek āetós “eagle” + New Latin -o- -o- + -saurus -saurus; from the birdlike form of the skull
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“Aetosaurus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Aetosaurus. Accessed 29 Nov. 2021.
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