
Belongs within: Azhdarchoidea.
The Azhdarchidae are a lineage of gigantic pterosaurs with hyperelongate, simplified cervical vertebrae known from the Upper Cretaceous (Witton 2013).
<==Azhdarchidae [Azhdarchinae, Titanopterygiidae]
|--Volgadraco bogoluboviW13
|--Alanqa saharica Ibrahim et al. 2010W13
|--Navajodactylus boereiW13
|--Bakonydraco Ösi et al. 2005A08
| `--B. galacziW13
|--Aralazhdarcho Averianov 2007A08
| `--*A. bostobensis Averianov 2007A08
|--Bogolubovia Nessov 1989A08
| `--*B. orientalis (Bogoluobov 1914) (n. d.) [=Ornithostoma orientalis, Pteranodon orientalis]A08
|--Bennettazhia Nessov 1991A08
| `--B. oregonensis Nessov 1991W13
|--Quetzalcoatlus Lawson 1975A08
| `--Q. northropi Lawson 1975PSB03
|--Azhdarcho Nessov 1984A08
| `--*A. lancicollis Nessov 1984 [incl. A. imparidens Nesov 1981 (n. n.)]A08
|--Phosphatodraco Pereda Suberbiola, Bardet et al. 2003PSB03
| `--*P. mauritanicus Pereda Suberbiola, Bardet et al. 2003PSB03
|--Arambourgiania Nessov 1987 [=Titanopteryx Arambourg 1959 (preoc.)]A08
| `--A. philadelphiae (Arambourg 1959)PSB03 [=*Titanopteryx philadelphiaeW13]
|--Montanazhdarcho Padian et al. 1995A08
| `--M. minor Padian, Ricqlès & Horner 1995PSB03
|--Zhejiangopterus Cai & Wei 1994A08
| `--Z. linhaiensis Cai & Wei 1994PSB03
`--Hatzegopteryx Buffetaut et al. 2002PSB03
`--*H. thambena Buffetaut et al. 2002BGC03
*Type species of generic name indicated
References
[A08] Averianov, A. O. 2008. Superorder Pterosauria. In: Ivakhnenko, M. F., & E. N. Kurochkin (eds) Fossil Vertebrates of Russia and Adjacent Territories. Fossil Reptiles and Birds. Part 1 pp. 319–342. GEOS: Moscow.
[BGC03] Buffetaut, E., D. Grigorescu & Z. Csiki. 2003. Giant azhdarchid pterosaurs from the terminal Cretaceous of Transylvania (western Romania). In: Buffetaut, E., & J.-M. Mazin (eds) Evolution and Palaeobiology of Pterosaurs. Geological Society Special Publications 217: 91–104. The Geological Society: London.
[PSB03] Pereda Suberbiola, X., N. Bardet, S. Jouve, M. Iarochène, B. Bouya & M. Amaghzaz. 2003. A new azhdarchid pterosaur from the Late cretaceous phosphates of Morocco. In: Buffetaut, E., & J.-M. Mazin (eds) Evolution and Palaeobiology of Pterosaurs. Geological Society Special Publications 217: 79–90. The Geological Society: London.
[W13] Witton, M. P. 2013. Pterosaurs: Natural History, Evolution, Anatomy. Princeton University Press: Princeton (New Jersey).