Zverkov, N. G., Grigoriev, D. V., Meleshin, I. A. and Nikiforov, A. V. 2024. Revision of the plesiosaur Polycotylus sopozkoi from the Southern Urals (Russia) confirms the wide distribution of Polycotylus in the Late Cretaceous of the Northern Hemisphere. Cretaceous Research, 160, 105879.