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Trichasaurus texensis

Caseidae

Taxonomy
Trispondylus texensis was named by Williston (1910). Its type specimen is CNHM (FMNH) 652, a set of postcrania (part of the vertebral column, pelvis, some limb and foot elements), and it is a 3D body fossil. Its type locality is Craddock Bonebed, Brush Creek, 38 (Arroyo Formation), which is in a Kungurian terrestrial claystone/sandstone in the Arroyo Formation of Texas. It is the type species of Trichasaurus.

It was recombined as Trichasaurus texensis by Williston (1913), Hay (1930), Romer and Price (1940), Olson (1968), Reisz (1986).

Synonymy list
YearName and author
1910Trispondylus texensis Williston p. 592
1911Trispondylus texensis Williston p. 131
1913Trichasaurus texensis Williston
1930Trichasaurus texensis Hay p. 59
1940Trichasaurus texensis Romer and Price p. 422
1968Trichasaurus texensis Olson p. 281
1986Trichasaurus texensis Reisz p. 85

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Caseasauria()
familyCaseidae
genusTrichasaurusWilliston 1913
speciestexensis()

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.

†Trichasaurus texensis Williston 1910
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Diagnosis
No diagnoses are available