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Rionegrophis

Reptilia - Madtsoiidae

Taxonomy
Rionegrophis was named by Albino (1986). Its type is Rionegrophis madtsoioides.

It was assigned to Madtsoiinae by Albino (1986).

Species
R. madtsoioides (type species)

Synonymy list
YearName and author
1986Rionegrophis Albino p. 18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
suborderOphidia(Latreille 1804)
—Serpentes(Linnaeus 1758)
familyMadtsoiidae()
genusRionegrophis

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.

G. †Rionegrophis Albino 1986
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Diagnosis
ReferenceDiagnosis
A. M. Albino 1986La de la especie.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilep
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: subp = subphylum, p = phylum, uc = unranked clade
References: Kiessling 2004, Carroll 1988

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Río Negro) R. madtsoioides (45087)
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) R. madtsoioides (206967) R. sp. (206969)