<==o †Azhdarchidae Nesov, 1984 [Titanopterygiidae Padian, 1984]
   |?- †Azhdarchidae genera et species indet. [L.Cret. SWAs.] [Dalla Vecchia, Arduini & Kellner, 2001]
   |?- †Azhdarchidae genera et species indet. [L.Cret. SEEu.] [LPB (FGGUB) R.2395] [Vremir et al., 2015]
   |-- †Aralazhdarcho bostobonensis Averianov, 2007; L.Cret. CAs.
   |-- †Arambourgiania philadelphiae (Arambourg, 1959) Nesov & Borkin, 1989 [Titanopteryx philadelphiae Arambourg, 1959 non Titanopteryx Enderlein, 1935 (an insect)]; L.Cret. SWAs.
   |--+-- †Eurazhdarcho langendorfensis Vremir, Kellner, Naish & Dyke, 2013: L.Cret. EEu.
   |  `-- †Azhdarcho langicollis Nesov, 1984; L.Cret. CAs.
   |-- †Bakonydraco galaczi Õsi, Weishampel & Jianu, 2005; L.Cret. CEu.
   |-- †Doratorhynchus validus Seeley, 1875; L. Cret. WEu.
   |-- †Hatzegopteryx thambema Buffetaut, Grigorescu & Csiki, 2002; L.Cret. EEu.
   |-- †Montanazhdarcho minor Padian, de Ricqlès & Horner, 1995; L.Cret. WNA.
   |-- †Phosphatodraco mauritanicus Pereda Suberbiola, et al., 2003; L.Cret. NWAf.
   |--o †Quetzalcoatlus Lawson, 1975; L.Cret. SWNA.
   |  |-- †Q. northropi Lawson, 1975
   |  `-- †Q. sp.
   |-- †Volgadraco bogolubovi Averianov et al., 2008; L.Cret. EEu.
   `-- †Zhejiangopterus linhaiensis Cai & Wei, 1994; L.Cret. EAs.

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