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Rioarribasuchus chamaensis

Reptilia

Taxonomy
Desmatosuchus chamaensis was named by Zeigler et al. (2002). Its type specimen is NMMNH P-32793, an osteoderm (paramedian plate), and it is a 3D body fossil. Its type locality is Snyder Quarry, NMMNH 3845-1, which is in a Lacian/Sevatian crevasse splay mudstone/wackestone in the Chinle Formation of New Mexico.

It was recombined as Heliocanthus chamaensis by Parker (2007); it was recombined as Rioarribasuchus chamaensis by Lucas et al. (2006), Desojo et al. (2013) and Parker (2016).

Synonymy list
YearName and author
2002Desmatosuchus chamaensis Zeigler et al. p. 215 fig. 2
2006Rioarribasuchus chamaensis Lucas et al.
2007Heliocanthus chamaensis Parker
2013Rioarribasuchus chamaensis Desojo et al.
2016Rioarribasuchus chamaensis Parker

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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
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Aetosauria(Lydekker 1889)
—Stagonolepididae(Lydekker 1887)
subfamilyAetosaurinae(Baur 1887)
—Typothoracisinae
—Paratypothoracisini
genusRioarribasuchus
specieschamaensis()

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.

†Rioarribasuchus chamaensis Zeigler et al. 2002
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: herbivoresubo
Created: 2009-01-03 20:38:33
Modified: 2009-01-03 22:38:33
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Benton 1983, Carroll 1988, Hendy et al. 2009

Age range: base of the Lacian to the top of the Norian or 221.50000 to 208.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Norian228.0 - 208.5USA (New Mexico) Desmatosuchus sp. (49499) Rioarribasuchus chamaensis (74202)
Norian228.0 - 208.5USA (Arizona) Desmatosuchus chamaensis (93443)
Lacian - Sevatian221.5 - 205.6USA (New Mexico) Desmatosuchus chamaensis (type locality: 62311)