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
 
Scaphognathus and its descendants. Click to enlarge.
 
Jianchangnathus
 
Scaphognathia
Scaphognathus n109
Scaphognathus SMNS 59395
Scaphognathus n110
TM 13104 - n34
Gmu10157 • BMNH47235
 
Cycnorhamphidae
BSp 1968 XV 132
Pterodactylus? micronyx
n30
Cycnorhamphus
Feilongus
 
Ornithocheiridae
Yixianopterus
JZMP embryo
 
pterosaur wings
pterosaur family tree
origin of pterosaurs
 

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