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Russellophis crassus

Reptilia - Russellophiidae

Taxonomy
Russellophis crassus was named by Rage et al. (2008). Its type specimen is VAS 1039, a set of vertebrae, and it is a 3D body fossil. Its type locality is Vastan Lignite Mine, which is in a Ypresian lagoonal siltstone/claystone in the Cambay Shale Formation of India.

Synonymy list
YearName and author
2008Russellophis crassus Rage et al. p. 394

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Squamata()
suborderOphidia(Latreille 1804)
Serpentes(Linnaeus 1758)
infraorderAlethinophidia
Caenophidia
familyRussellophiidae()
genusRussellophis
speciescrassus

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.

Russellophis crassus Rage et al. 2008
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Diagnosis
ReferenceDiagnosis
J.-C. Rage et al. 2008"Differs from Russellophis tenuis and Krebsophis thobanus Rage and Werner, 1999 in having a narrower and thicker zygosphene. Further differs from R. tenuis by its more massive build, larger cotyle and condyle, and more dorsally placed paradiapophyses. Further distinguished from K. thobanus by its lamellar and high neural spine, paradiapophyses more extended dorsoventrally, thinner roof of zygantrum, and by the continuity between ventral edge of parapophyses and subcentral ridges." (Rage et al., 2008: 395).
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: Ypresian or 56.00000 to 47.80000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8India (Gujarat) Russellophis crassus (type locality: 55494)