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Paluxysuchus newmani

Reptilia -

Taxonomy
Paluxysuchus newmani was named by Adams (2013). Its type specimen is SMU 76601, a partial skull (skull and partial mandible), and it is a 3D body fossil. Its type locality is Jones Ranch Quarry, SMU Loc. v282, FWMSH 93B-10, which is in an Aptian coarse channel fill sandstone/sandstone in the Twin Mountains Formation of Texas. It is the type species of Paluxysuchus.

Synonymy list
YearName and author
2013Paluxysuchus newmani Adams p. 86 figs. 2-7

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
suborderCrocodyliformes
MesoeucrocodyliaWhetstone and Whybrow 1983
NeosuchiaClark 1988
genusPaluxysuchus
speciesnewmani

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.

Diagnosis
ReferenceDiagnosis
T. L. Adams 2013A neosuchian crocodyliform differing from other known neosuchians in having the following combination of characters: the posterior ramus of the jugal beneath the infratemporal fenestra is rod-shaped; an elongate anterolateral process of the postorbital; the base of the postorbital process of jugal is directed dorsally; the anterior median process of the frontal extends anterior to the tip of the prefrontal; the jugal does not extend anterior to the anterior margin of the orbit; and cranial nerves IX–XI pass through a common large foramen vagi in the otoccipital. It differs from longirostrine taxa in having a platyrostral rostrum, enlarged maxillary teeth, and a festooned tooth row. An additional feature not scored for in the phylogenetic analysis is an extensive prefrontal contribution to the orbital margin with the frontal restricted to the posteromedial corner of the orbit.