Tetrapoda
Basal Tetrapoda
Reptilomorpha
Lepospondyli
 
Reptilia/Amniota
Gephyrostegus
 
Archosauromorpha
Basal Archosauromorpha
Protosynapsida
Synapsida
Mammalia
Protodiapsida
Diapsida
Terrestrial Younginiformes
Marine Younginiformes
Enaliosauria
Protorosauria
Archosauriformes
Euarchosauriformes
Archosauria
Dinosauria
 
Lepidosauromorpha
Urumqia clade
Cephalerpeton clade
Captorhinidae
Milleretta Limnoscelis clade
Bolosaurus Diadectes clade
Turtle Pareiasaur clade
Lanthanosuchia
Owenettidae
Lepidosauriformes
Lepidosauria
Tritosauria
Fenestrasauria • Pterosauria
Protosquamata
Squamata
 
 
Archosauria
Lewisuchus
 
Gracilisuchus
Saltopus
Scleromochlus
 
Crocodylomorpha
SMNS 12591
Terrestrisuchus
Litargosuchus
Erpetosuchus
 
SMNS 12352
Hesperosuchus
Yonghesuchus
Dromicosuchus
Protosuchus
 
Sphenosuchus
Saltoposuchus
 
Dibothrosuchus
Metriorhynchus
Caiman
 
Baurusuchus
Simosuchus
 
Protodinosauria
Pseudhesperosuchus
Trialestes
PVL 4597 basal dinosaur
 

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