AllzeroThaisaurusUtatsusaurusGrippiaChaohusaurusParvinatatorWimaniusMixosaurusPhalarodonContectopalatusToretocnemusQianichthyosaurusCymbospondylusPhantomosaurusBesanosaurusShastasaurusShonisaurusMikadocephalusCalifornosaurusCallawayiaMacgowaniaHudsonelpidiaTemnodontosaurusLeptonectesEurhinosaurusSuevoleviathanIchthyosaurusStenopterygiusAegirosaurusBrachypterygiusPlatypterygiusOphthalmosaurusCaypullisaurusHauffiopteryxOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Caine_et_Benton_2011ab