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Ctenorhachis jacksoni

Osteichthyes - Sphenacodontidae

Taxonomy
Ctenorhachis jacksoni was named by Hook and Hotton (1991). It is not extant. Its type specimen is USNM 437710, a set of vertebrae. Its type locality is SE of Fulda, which is in an Artinskian terrestrial horizon in the Petrolia Formation of Texas. It is the type species of Ctenorhachis.

Synonymy list
YearName and author
1991Ctenorhachis jacksoni Hook and Hotton

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
suborderEupelycosauria
—SphenacomorphaIvakhnenko 2003
suborderSphenacodontia
—Sphenacodontoidea
familySphenacodontidaeMarsh 1878
genusCtenorhachis
speciesjacksoni

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.

†Ctenorhachis jacksoni Hook and Hotton 1991
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Diagnosis
No diagnoses are available