Reference
Berezin, A. Y. 2018. Craniology of the Plesiosaur Abyssosaurus nataliae Berezin (Sauropterygia, Plesiosauria) from the Lower Cretaceous of the Central Russian Platform. Paleontological Journal, 52, 328–341.
Berezin, A. Y. 2018. Craniology of the Plesiosaur Abyssosaurus nataliae Berezin (Sauropterygia, Plesiosauria) from the Lower Cretaceous of the Central Russian Platform. Paleontological Journal, 52, 328–341.