Named By: J. Leidy - 1851.
Classification: Chordata, Reptilia, Sauropterygia, Plesiosauria.
Species: D. vetustus (type), D. carinatus.
Known locations: Santonian of the Cretaceous.
Time period: USA, Alabama.
Fossil representation: Partial remains of two species.
Discosaurus is a genus of plesiosaur that is known to have swam in the waters of the Western Interior Seaway during the late Cretaceous.
- [Descriptions of a number of fossil reptiles and mammals] . - Proceedings of the Academy of Natural Sciences of Philadelphia 5:325-328. - J. Leidy - 1851.
- On Discosaurus and its allies. - Proceedings Academy National Sciences Philadelphia 1870, p. 18). - Dr. J. Leidy - 1870.