outgroup

Claudiosaurus

Hupesuchus

Thadeosaurus

Hovasaurus

Araeoscelis

Petrolacosaurus

Thaisaurus

Utatsusaurus

Xinminosaurus

Quasianosteosaurus

Parvinatator

Chaohusaurus

Grippia_longirostris

Mixosaurus_maotaiensis

Wimanius

Mixosaurus_panxianensis

Mixosaurus_kuhnschnyderi

Mixosaurus_cornalianus

Contectopalatus_atavus

Phalarodon_callawayi

Phalarodon_major

Phalarodon_fraasi

Qianichthyosaurus

Toretocnemus

Cymbospondylus_buchseri

Phantomosaurus

Cymbospondylus_petrinus

Merriamosaurus

Besanosaurus

Guizhouichthyosaurus

Shastasaurus

Shonisaurus

Mikadocephalus_gracilirostris

Callawayia

Californosaurus

Macgowania

Hudsonelpidia

Temnodontosaurus_platyodon

Temnodontosaurus_burgundiae

Suevoleviathan

Platypterygius

Ichthyosaurus

OPTHALMOSAURIA

Stenopterygius

Leptonectes

Excalibosaurus

Eurhinosaurus