What does plesiosaur mean?
A marine reptile of the order Sauropterygia, characterized by a long neck and four flippers, that lived during the time of the dinosaurs.
Example
"The discovery of a plesiosaur fossil in the Jurassic period provided valuable insights into the evolution of marine reptiles."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.