Temnodontosaurus_spIchthyosaurus_communisStenopterygius_quadriscissusOphthalmosaurus_icenicusBrachypterygius_extremusMaiaspondylus_lindoiUndorosaurus_gorodischensisArthropterygius_chrisorumMollesaurus_periallusAcamptonectes_densusCaypullisaurus_bonaparteiAegirosaurus_leptospondylusPlatypterygius_australisPlatypterygius_hercynicusAthabascasaurus_bitumineusMalawania_anachronusLeninia_stellansSveltonectes_insolitusPalvennia_hoybergetiCryopterygius_kristiansenaeJanusaurus_lundiPMO_222_dot_667OsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Roberts_etal_2014a