Protosphargis is an extinct genus of sea turtle from the Upper Cretaceous of Italy. It was first named by Capellini in 1884.
Sources
- Protosphargis at the Paleobiology Database
- The Journal of Geology By Thomas Chrowder Chamberlin, University of Chicago Dept. of Geology, University of Chicago Dept. of Geology and Paleontology. Page 726.