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Najash rionegrina

Reptilia

Taxonomy
Najash rionegrina was named by Apestiguía and Zaher (2006). Its type specimen is MPCA 390-397, 400, a partial skeleton, and it is a 3D body fossil. Its type locality is Hoyada de los esfenodontes 1, La Buitrera, which is in a Cenomanian crevasse splay sandstone in the Candeleros Formation of Argentina. It is the type species of Najash.

Synonymy list
YearName and author
2006Najash rionegrina Apestiguía and Zaher p. 1037 figs. 1-2
2013Najash rionegrina Palci et al.
2013Najash rionegrina Vasile et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Squamata()
suborderOphidia(Latreille 1804)
genusNajash
speciesrionegrina

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.

Najash rionegrina Apestiguía and Zaher 2006
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Diagnosis
ReferenceDiagnosis
S. Apestiguía and H. Zaher 2006"A snake with a strongly concave ventral surface of the parasphenoid rostrum, forming a deep and straight gutter; two sacral vertebrae present; single large parazygantral foramen on each side of neural arch; proximal caudal vertebrae with blunt haemapophyses; robust femora with a large trocanter (pg. 1037"
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Hendy et al. 2009

Age range: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian99.6 - 93.5Argentina (Río Negro) Najash rionegrina (type locality: 225915)