Quetzalcoatlus nothropi, Photo: Michael Lahanas
Superregnum: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Superordo: † Pterosauromorpha
Ordo: †Pterosauria
Subordo: †Pterodactyloidea
Superfamilia: †Azhdarchoidea
Familia: †Azhdarchidae
Genus: Quetzalcoatlus
Species: †Quetzalcoatlus northropi
Name
Quetzalcoatlus northropi Lawson, 1975
Type locality: Big Bend – in a Maastrichtian fluvial sandstone in the Javelina Formation of Texas.
Holotype: TMM 41450-3, a set of postcrania (partial forelimb).
Quetzalcoatlus nothropi, Photo: Michael Lahanas
References
Lawson, D.A., 1975: Could pterosaurs fly? Science, 188: 676–677 DOI: 10.1126/science.188.4189.676-a [original description; login required]
†Quetzalcoatlus northropi Lawson, 1975 (pterosaur). The Paleobiology Database
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