Scriptura › Dictionary › Plesiosaur 1 entry 1 source Plesiosaur Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) One of the Plesiosauria.
1 entry 1 source Plesiosaur Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) One of the Plesiosauria.