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Quetzalcoatlus northropi

Reptilia - Pterosauria - Azhdarchidae

Taxonomy
Quetzalcoatlus northropi was named by Lawson (1975). Its type specimen is TMM 41450-3, a set of postcrania (Partial forelimb), and it is a 3D body fossil. Its type locality is TMM 41450, Dawson Creek, which is in a Maastrichtian fluvial sandstone in the Javelina Formation of Texas. It is the type species of Quetzalcoatlus.

Synonymy list
YearName and author
1975Quetzalcoatlus northropi Langston
1975Quetzalcoatlus northropi Lawson p. 677
1991Quetzalcoatlus northropi Murry et al. p. 167
1991Quetzalcoatlus northropi Nessov p. 21
2003Quetzalcoatlus northropi Unwin
2008Quetzalcoatlus northropi Hunt and Lehman p. 1127
2014Quetzalcoatlus northropi Andres et al.
2014Quetzalcoatlus northropi Frey and Stinnesbeck p. 138
2021Quetzalcoatlus northropi Andres and Langston Jr

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—PterosauromorphaPadian 1997
orderPterosauriaKaup 1834
suborderPterodactyloideaPlieninger 1901
superfamilyAzhdarchoideaUnwin 1992
familyAzhdarchidae
subfamilyQuetzalcoatlinaeAndres et al. 2014
genusQuetzalcoatlus
speciesnorthropi

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Quetzalcoatlus northropi Lawson 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Entire body: yess
Adult length: 1000 to < 10^4s
Adult width: 10^4 to < 10^5s
Maximum body mass: 544 kgs
Minimum body mass: 259 kgs
Body mass type: quantitatives
Body mass source: publisheds
Body mass comment: Body mass estimates taken from Witton (2008, Zitteliana B), and Henderson (2010, JVP)s
Environment: terrestrials
Locomotion: fast-movings
Life habit: volants
Diet: carnivores
Vision: well-developeds
Created: 2011-01-11 20:06:49
Modified: 2011-01-11 03:07:36
Source: s = species, subp = subphylum
References: Carroll 1988, Witton 2008

Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0USA (Texas) Pterosauria indet. (92249 type locality: 92251) Quetzalcoatlus northropi (85191 230205 230206) Quetzalcoatlus sp. (85190)