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Jeyawati rugoculus

Reptilia

Taxonomy
Jeyawati rugoculus was named by McDonald et al. (2010). Its type specimen is MSM P4166, a partial skeleton, and it is a 3D body fossil. Its type locality is Two Rocks Balanced (MSM loc 98-61), which is in a Turonian fluvial mudstone in the Moreno Hill Formation of New Mexico.

Synonymy list
YearName and author
2010Jeyawati rugoculus McDonald et al. p. 33 fig. 39
2010Jeyawati rugoculus McDonald et al. p. 800 figs. 1-9. 11
2011Jeyawati rugoculus Prieto-Márquez p. 774
2012Jeyawati rugoculus Ramírez-Velasco et al. p. 380
2013Jeyawati rugoculus Zheng et al.
2014Jeyawati rugoculus Tsogtbaatar et al. p. 122
2016Jeyawati rugoculus Prieto-Márquez et al. p. 6
2018Jeyawati rugoculus Gates et al. p. 26

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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
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
genusJeyawati
speciesrugoculus

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.

†Jeyawati rugoculus McDonald et al. 2010
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Diagnosis
ReferenceDiagnosis
A. T. McDonald et al. 2010For genus and species by monotypy. Non-hadrosaurid hadrosauroid characterized by two autapomorphies: highly vascularized, rugose texture covering entire lateral surface of postorbital (from orbital rim to at least the base of squamosal process) and large neurovascular foramen at base of jugal process of postorbital. Also diagnosed by the following combination of characters: extremely slender dentary (rostrocaudal length/depth at midpoint ratio = 5.6), coronoid process with strong rostral expansion, high number (32) of tooth alveoli in dentary, caudal extent of dentary tooth row is even with apex of coronoid process, at least two replacement teeth per dentary alveolus, asymmetrical tooth crowns, reduced accessory ridge on either side of primary ridge on dentary tooth crowns, lack of accessory ridges on maxillary tooth crowns, and paraquadrate foramen present.