Reptilia - Ichthyosauria - Ophthalmosauridae
Synonyms: Longirostria Arkhangelsky 1998, Myobradypterygius von Huene 1927, Myopterygius Huene 1922, Pervushovisaurus Arkhangelsky 1998, Plutoniosaurus Efimov 1997, Simbirskiasaurus Otschev and Efimov 1985, Tenuirostria Arkhangelsky 1998
Parent taxon: Ophthalmosauridae according to V. Fischer et al. 2013
Sister taxa: Acamptonectes, Aegirosaurus, Arthropterygius, Athabascasaurus, Baptanodon, Brachypterygius, Caypullisaurus, Cryopterygius, Maiaspondylus, Mollesaurus, Nannopterygius, Ochevia, Ophthalmosaurinae, Ophthalmosaurus, Palvennia, Platypterygiinae, Sveltonectes, Undorosaurus
Subtaxa: Platypterygius americanus, Platypterygius australis, Platypterygius bannovkensis, Platypterygius bedengensis, Platypterygius birjukovi, Platypterygius campylodon, Platypterygius compylodon, Platypterygius hauthali, Platypterygius hercynicus, Platypterygius kiprijanoffi, Platypterygius ochevi, Platypterygius platydactylus, Platypterygius sachicarum
Type: Plutoniosaurus bedengensis
Ecology: nektonic carnivore