Piratosaurus (meaning "pirate lizard") is a dubious genus of plesiosaur possibly belonging to the PolycotylidaeJ. J. Sepkoski. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 that is known exclusively from the type species P. plicatus, named and described by Joseph Leidy in 1865.Leidy, J. (1865). Cretaceous reptiles of the United States. Smithsonian Contributions to Knowledge 192:1-135 It is known only from the holotype, USNM V 1000, a tooth, discovered in Late Cretaceous-aged rocks in the Red River basin of Manitoba; at least one researcher erroneously assumed it was found in Minnesota.Hay, O. P. (1930). Second Bibliography and Catalogue of the Fossil Vertebrata of North America 390(II):1-1074

See also

List of plesiosaur genera Timeline of plesiosaur research

References