PetrolacosaurusThadeosaurusClaudiosaurusHovasaurusHupesuchusUtatsusaurusGrippiaParvinatatorChaohusaurusCymb_petrinusCymb_buchseriMix_cornalianusMix_atavusMix_nordenskioeldiiBesanosaurusShastasaurusShonisaurusCalifornosaurusToretocnemusHudsonelpidiaMacgowaniaSuevoleviathanTemnodontosaurusLeptonectesExcalibosaurusEurhinosaurusIchthyosaurusStenopterygiusBrachypterygiusOphthalmosaurusCaypullisaurusPlatypterygiusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.McGowan_et_Motani_2003a