Baylor College Medical School
Earth Science
what were some unusual features of the ichthyosaurs and the plesiosaurs?
what were some unusual features of the ichthyosaurs and the plesiosaurs?
Plesiosaurs and ichthyosaurs were fish eating reptiles, and toward the end of the Mesozoic period they returned to the sea. They were proficient swimmers, had reptilian teeth, and breathed through lungs.