
08-18-2018, 03:40 PM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
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Though mosasaurs, ichthyosaurs, pterosaurs, plesiosaurs, and dimetrodon are commonly believed to be dinosaurs, they are not technically dinosaurs. The term “dinosaur” refers to just land-dwelling reptiles that have a specific hip structure, among other traits
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