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
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
 
 
Marine Younginiformes
Galesphyrus
Claudiosaurus
 
Enaliosauria
Anarosaurus
 
Parapachypleurosauria
Luopingosaurus
 
Mesosauria
PIMUZ-A-III-0192
SMF R 4710
Stereosternum
Mesosaurus
 
Ichthyopterygia
Wumengosaurus
Hupehsuchus
Utatsusaurus
Ichthyosaurs
 
Thalattosauriformes
Serpianosaurus
Askeptosaurus
 
Placodontia
Palatodonta
Paraplacodus
 
Sauropterygia
Pachypleurosaurus
Qianxisaurus
 

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