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Altirhinus kurzanovi

Reptilia

Taxonomy
Altirhinus kurzanovi was named by Norman (1998). Its type specimen is PIN 3386/8, a skull, and it is a 3D body fossil. Its type locality is Khuren-Dukh (PIN coll. 3386) [SMPE], which is in an Albian/Albian lacustrine - large sandstone/claystone in the Khuren Dukh Formation of Mongolia.

Synonymy list
YearName and author
1998Altirhinus kurzanovi Norman p. 296 figs. 3-30
1999Altirhinus kurzanovi Casanovas et al. p. 348
2000Altirhinus kurzanovi Norman and Sues p. 464
2004Altirhinus kurzanovi Norman p. 415
2005Altirhinus kurzanovi Buffetaut et al. p. 578
2007Altirhinus kurzanovi Paul p. 72 fig. 4.2
2008Altirhinus kurzanovi Paul pp. 200-201
2009Altirhinus kurzanovi Galton p. 215
2010Altirhinus kurzanovi Amiot et al. p. 354
2010Altirhinus kurzanovi Carpenter and Ishida p. 146
2010Altirhinus kurzanovi McDonald et al. p. 33 fig. 39
2010Altirhinus kurzanovi McDonald et al. p. 808 fig. 10
2010Altirhinus kurzanovi Wu et al. p. 127
2011Altirhinus kurzanovi Prieto-Márquez p. 63
2011Altirhinus kurzanovi Wang et al. p. 137
2013Altirhinus kurzanovi Zheng et al.
2016Altirhinus kurzanovi Fuentes Vidarte et al. p. 435
2016Altirhinus kurzanovi Kim et al. p. 13
2018Altirhinus kurzanovi Gates et al. p. 2
2019Altirhinus kurzanovi Bell et al. p. 4
2022Altirhinus kurzanovi Ji and Zhang p. 6

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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
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Ankylopollexia
—Neoiguanodontia
genusAltirhinus
specieskurzanovi

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.

†Altirhinus kurzanovi Norman 1998
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Diagnosis
ReferenceDiagnosis
G. S. Paul 2008Adults large. Overall lightly constructed. Premaxillary tip to anterior orbital rim/latter to paraoccipital process tip length ratio ~1.6 via elongation of posterior nasal, maxillary process of premaxilla and maxilla; dentary pre-coronoid process length/minimum depth ratio under 5. Premaxilla and nasal *form large crest. Premaxilla projects well below level of tooth rows, maxillary process is moderately deep. Dorsal apex of maxilla set posteriorly. Antorbital fossa small. Lacrimal long, contacts nasal. Accessory palpebral absent. Lateral temporal fenestra moderate in size. Posterior portion of jugal long. Quadratojugal tall. Quadrate short, transversely narrow, shaft straight, lateral foramen set high, dorso-posterior buttress absent. Diastema short. Tooth positions *26 in maxilla, *24 in dentary, incipient 3rd row in many positions. Scapula blade narrow and constricted at middle of blade, base rather narrow, acromion process placed rather dorsally. Deltopectoral crest of humerus distally placed, modest in size. Manus narrow, pollex spike and other unguals moderate in size. Anterior prong of ilium *robust, *strongly arced ventrally, main body deep. Prepubic process of pubis moderate in depth.