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Poposaurus gracilis

Reptilia

Taxonomy
Poposaurus gracilis was named by Mehl (1915). Its type specimen is FMNH UR 357, a set of postcrania (Two dorsal vertebrae, sacrals, one or two caudals, left ilium, proximal left femur, right femur, distal left tibia, partial right tibia), and it is a 3D body fossil. Its type locality is Little Popo Agie River, which is in a Carnian terrestrial horizon in the Popo Agie Formation of Wyoming. It is the type species of Poposaurus.

Synonymy list
YearName and author
1915Poposaurus gracilis Mehl
1930Poposaurus gracilis Hay p. 172
1961Poposaurus gracilis Colbert p. 62
1970Poposaurus gracilis Steel p. 27
1986Poposaurus gracilis Parrish and Carpenter p. 154
1993Poposaurus gracilis Parrish p. 302
1995Poposaurus gracilis Long and Murry p. 143
2005Poposaurus gracilis Irmis p. 79
2007Poposaurus gracilis Weinbaum and Hungerbühler p. 132
2011Poposaurus gracilis Gauthier et al.
2011Poposaurus gracilis Nesbitt p. 28

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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()
RankNameAuthor
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
superfamilyPoposauroidea(Nopcsa 1923)
genusPoposaurus
speciesgracilis

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.

†Poposaurus gracilis Mehl 1915
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:45
Modified: 2009-01-03 22:38:45
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Benton 1983, Kiessling 2004

Age range: base of the Carnian to the top of the Norian or 237.00000 to 205.70000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 227.3USA (Texas) Poposaurus gracilis (79374)
Carnian237.0 - 227.3USA (Wyoming) Poposaurus gracilis (type locality: 91494 91590)
Carnian - Norian237.0 - 205.7USA (Texas) Poposaurus gracilis (22706 105769 135657) Thecodontia indet. (98596)
Late/Upper Triassic237.0 - 201.4USA (Arizona ) Poposaurus gracilis (188760)
Norian227.3 - 205.7USA (Utah) Poposaurus gracilis (108771)
Norian227.3 - 205.7USA (Arizona) Poposaurus gracilis (22705 39160 39219 52501 92850 92911 92922 93354)