Reptile Evolution
 
Tetrapoda
Ichthyostega
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
 
 
Terrestrial Younginiformes
Spinoaequalis
Youngina SAM K 7710
Youngoides minor RC91
Youngina AMNH 5561
Youngoides UC1528
 
Protorosauria
Youngina BPI 375
Prolacerta
Protorosaurus
Boreopricea
Jaxtasuchus
Pamelaria
 
Archosauriformes
Proterosuchus
 
Pararsuchia Proterochampsidae
Choristodera
Youngina BPI 2871
 
Erythrosuchia
Euparkeria
Osmolskina
Fugusuchus
Revueltosaurus
Garjainia
Shansisuchus
Erythrosuchus
 
Ornithosuchidae
Riojasuchus
Ornithosuchus
 
Rauisuchidae
Vjushkovia - Asperoris
Prestosuchus
Batrachotomus
Saurosuchus
Smok
Postosuchus
 
Ticinosuchidae
Arizonasaurus
Yarasuchus
Qianosuchus
Ticinosuchus
Stagonolepis
Aetosaurus
 
Protoarchosauria
Decuriasuchus
 
Poposauridae
Lewisuchus
 

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