Clade †Pterosauria Owen 1842 [Andres & Padian 2020] see Order Pterosauria Kaup, 1834
   Clade †Macronychoptera Unwin 2003 [Andres 2021]
     Clade †Novialoidea Kellner 2003 [Andres 2021]
       Clade †Breviquartossa Unwin 2003 [Andres 2021]
         Clade †Pterodactylomorpha Andres, Clark & Xu 2014 [Andres 2021] see Suborder Pterodactylomorpha Schaller, 2007
           Clade †Monofenestrata Lü, Unwin, Jin, Liu & Ji 2010 [Andres 2021]
             Clade †Pterodactyliformes Andres, Clark & Xu 2014 [Andres 2021]
               Clade †Caelicodracones Andres, Clark & Xu 2014 [Andres 2021] see Clade Caelidracones Unwin 2003
                 Clade †Pterodactyloidea Plieninger 1901 [Andres & Padian 2020] see Infraorder Pterodactyloidea Plieninger, 1901
                   Clade †Lophocratia Unwin 2003 [Andres 2021]
                     Clade †Eupterodactyloidea Bennett 1994 [Andres 2021]
                       Clade †Ornithocheiroidea Seeley 1876 [Andres 2021] nom. cl. inval. see Clade Ornithocheiroidea Seeley 1878 [Thomas & McDavid 2025]
                         Clade †Azhdarchoidea Unwin 1995 [Andres 2021] nom. cl. inval. see Clade Azhdarchoidea Unwin 1995 [Thomas & McDavid 2025]
                           Clade †Neoazhdarchia Unwin 2003 [Andres 2021]
                             Clade †Neopterodactyloidea Andres, Clark & Xu 2014 [Andres 2021]
                               Clade †Azhdarchiformes Andres 2021 nom. cl. inval. see Clade Azhdarchiformes Andres 2021 [Thomas & McDavid 2025]
                                 Clade †Azhdarchidae Padian 1986 [Andres 2021] nom. cl. inval. see Clade Azhdarchidae Padian 1986 [Pêgas, Zhou & Kobayashi 2025]
                                   Clade †Quetzalcoatlinae Andres, Clark & Xu 2014 [Andres 2021] see Subfamily Quetzalcoatlinae Andres, Clark & Xu, 2014
                                     1.1 Genus †Phosphatodraco Pereda-Suberbiola, Bardet, Jouve, Iarochène, Bouya & Amaghzaz, 2003
                                     1.2 Genus †Aralazhdarcho Averianov, 2007
                                     2.1 Genus †Eurazhdarcho Vremir, Kellner, Naish & Dyke, 2013
                                     2.2.1 Genus †Zhejiangopterus Cai & Wei, 1994
                                     2.2.2.1 Genus †Wellnhopterus Andres & Langston, 2020
                                     2.2.2.2 Genus †Cryodrakon Hone, Habib & Therrien, 2019
                                     2.2.2.3.1 Genus †Hatzegopteryx Buffetaut, Grigorescu & Csiki, 2002
                                     2.2.2.3.2.1 Genus †Arambourgiania Nessov, 1987
                                     2.2.2.3.2.2 Clade †Quetzalcoatlus Lawson 1975 [Andres 2021] see Genus Quetzalcoatlus Lawson, 1975, nom. cons.