M. S. Arkhangelsky. 1997. On a new genus of ichthyosaurs from the Lower Volgian substage of the Saratov, Volga Region. Paleontological Journal 21(1):87-91
Bibliography (2)
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
DOI ↗
G. W. Storrs, M. S. Arkhangel'skii, and V. M. Efimov. 2000. Mesozoic marine reptiles of Russia and other former Soviet republics. The age of dinosaurs in Russia and Mongolia