Reptilia/Amniota
Gephyrostegus
 
Lepidosauromorpha
Lepidosauria
Fenestrasauria
 
Pterosauria
Basal pterosaurs
Dimorphodon clade
Eudimorphodon clade
Campylognathoides clade
Dorygnathus clade
Ctenochasma clade
Azhdarcho clade
Wukongopteridae
Scaphognathia
Cycnorhamphidae
Ornithocheiridae
Ornithocephalia
Germanodactylia
Dsungaripteria
Pteranodontia
 
Archosauromorpha
Basal Archosauromorpha
 
 
Dorygnathia
Angustinaripterus
St/Ei I
n40
 
Ctenochasma clade
Ctenochasma elegans
C. elegans AMNH 5147
Gnathosaurus
C. elegans n45
Gegepterus
Ctenochasma gracile n65
Pterodaustro
Pterodaustro embryo
 

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