PetrolacosaurusThadeosaurusClaudiosaurusHupehsuchusUtatsusaurusGrippiaParvinatatorChaohusaurusCymbospondylus_petrinusCymbospondylus_buchseriMixosaurus_cornalianusMixosaurus_atavusMixosaurus_nordenskioeldiiBesanosaurusShonisaurus_popularisCalifornosaurusToretocnemusHudsonelpidiaMacgowaniaSuevoleviathanTemnodontosaurusLeptonectesExcalibosaurusEurhinosaurusIchthyosaurusStenopterygiusBrachypterygiusOphthalmosaurusCaypullisaurusPlatypterygiusGuizhouichthyosaurusShonisaurus_sikanniensisShastasaurus_pacificus_own_obsShastasaurus_liangaeCallawayaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Sander_etal_2011a