Nannopterygius was an ichthyosaur, a type of marine reptile. Ichthyosaurs were not dinosaurs, despite living during the same era. Nannopterygius lived during the Middle Jurassic to Early Cretaceous, with fossils found in Europe.

All the Nannopterygius illustrations below were collected from the internet. Enjoy and explore:

Nannopterygius was described by the following scientific paper(s):
  • G. W. Storrs, M. S. Arkhangel'skii, and V. M. Efimov. 2000. Mesozoic marine reptiles of Russia and other former Soviet republics. In M. J. Benton, M. A. Shishkin, D. M. Unwin, E. N. Kurochkin (eds.), The age of dinosaurs in Russia and Mongolia
  • J. J., Jr. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
  • N. G. Zverkov and M. L. Jacobs. 2021. Revision of Nannopterygius (Ichthyosauria: Ophthalmosauridae): reappraisal of the ‘inaccessible’ holotype resolves a taxonomic tangle and reveals an obscure ophthalmosaurid lineage with a wide distribution. Zoological Journal of the Linnean Society 191(2):228-275