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Colognathus obscurus

Osteichthyes

Taxonomy
Xenognathus obscurus was named by Case (1928). Its type specimen is UMMP 7506, a tooth (Jaw fragment containing tooth), and it is a 3D body fossil. Its type locality is Head of Holmes Creek, which is in a Carnian/Norian channel lag claystone in the Tecovas Formation of Texas.

It was recombined as Colognathus obscurus by Case (1933), Murry (1986), Long and Murry (1995), Irmis (2005).

Synonymy list
YearName and author
1928Xenognathus obscurus Case p. 6
1933Colognathus obscurus Case
1986Colognathus obscurus Murry
1995Colognathus obscurus Long and Murry
2005Colognathus obscurus Irmis p. 69

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
RankNameAuthor
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
genusColognathus
speciesobscurus()

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.

†Colognathus obscurus Case 1928
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Diagnosis
No diagnoses are available