Reptile Evolution
 
Vertebrata
Fish
 
Tetrapoda
Basal Tetrapoda
Temnospondyli
Lepospondyli
Microsauria
Reptilomorpha
 
Reptilia/Amniota
Silvanerpeton
 
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
Youngina BPI 375
 
Protorosauria
Prolacerta
Protorosaurus
Boreopricea
Jaxtasuchus
Pamelaria
 
Archosauriformes
Proterosuchus
Euparkeria
 

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