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Steppesaurus gurleyi

Phthinosuchidae

Taxonomy
Steppesaurus gurleyi was named by Olson and Beerbower (1953). Its type specimen is CNHM (FMNH) UR 148, a partial skull (maxillary with dentition and partial lower jaw with roots of teeth), and it is a 3D body fossil. Its type locality is Locality HA ("Lower San Angelo Fm."), which is in a Kungurian/Roadian fluvial claystone/conglomerate in the San Angelo Formation of Texas. It is the type species of Steppesaurus.

Synonymy list
YearName and author
1953Steppesaurus gurleyi Olson and Beerbower p. 408 figs. 7A-C
1962Steppesaurus gurleyi Olson pp. 52, 89 figs. 20, Pl. 12

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
suborderGorgonopsia
infraorderGorgonopida
superfamilyRubidgeoideaBroom 1938
familyPhthinosuchidaeEfremov 1954
genusSteppesaurus
speciesgurleyi

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.

†Steppesaurus gurleyi Olson and Beerbower 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:34:07
Modified: 2009-01-03 22:34:07
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Benton 1983, Carroll 1988, Hendy et al. 2009, Kiessling 2004

Age range: base of the Kungurian to the top of the Roadian or 283.30000 to 266.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Kungurian - Roadian283.3 - 266.9USA (Texas) Steppesaurus gurleyi (type locality: 79694)