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Trichasaurus

Caseidae

Taxonomy
Trichasaurus was named by Williston (1913). It is not extant. Its type is Trispondylus texensis.

It was assigned to Edaphosauria by Romer and Price (1940); to Pelycosauria by Reisz (1986); to Pelycosauria by Carroll (1988); and to Caseidae by Hay (1930), Olson (1968) and Benson (2012).

Species
T. texensis

Synonyms
Synonymy list
YearName and author
1910Trispondylus Williston p. 592
1913Trichasaurus Williston p. 366
1930Trichasaurus Hay p. 59
1940Trichasaurus Romer and Price p. 422
1968Trichasaurus Olson p. 281
1986Trichasaurus Reisz p. 85
1988Trichasaurus Carroll
2012Trichasaurus Benson

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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

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. †Trichasaurus Williston 1913
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†Trichasaurus texensis Williston 1910
Invalid names: Trispondylus Williston 1910 [replaced]
Diagnosis
No diagnoses are available