†Arthropterygius Maxwell 2010 (ichthyosaur)
Reptilia - Ichthyosauria - Ophthalmosauridae
Full reference: E. E. Maxwell. 2010. Generic reassignment of an ichthyosaur from the Queen Elizabeth Islands, Northwest Territories, Canada. Journal of Vertebrate Paleontology 30(2):403-415
Parent taxon: Ophthalmosauridae according to V. Fischer et al. 2013
Sister taxa: Acamptonectes, Aegirosaurus, Athabascasaurus, Baptanodon, Brachypterygius, Caypullisaurus, Cryopterygius, Maiaspondylus, Mollesaurus, Nannopterygius, Ochevia, Ophthalmosaurinae, Ophthalmosaurus, Palvennia, Platypterygiinae, Platypterygius, Sveltonectes, Undorosaurus
Subtaxa: Arthropterygius chrisorum
Ecology: nektonic carnivore