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Andrias matthewi

- Urodela

Taxonomy
Plicagnathus matthewi was named by Cook (1917). Its type specimen is AMNH 81571, a mandible (mesial fragment of a left dentary), and it is a 3D body fossil. Its type locality is Mesoceras Quarry, which is in a Hemingfordian terrestrial horizon in the Snake Creek Formation of Nebraska.

It was recombined as Cryptobranchus matthewi by Naylor (1981); it was recombined as Andrias matthewi by Estes and Tihen (1964), Meszoely (1966) and Estes (1981).

Synonyms
Synonymy list
YearName and author
1917Plicagnathus matthewi Cook
1963Cryptobranchus mccalli Tihen and Chantell
1964Andrias matthewi Estes and Tihen p. 456
1966Andrias matthewi Meszoely p. 514
1981Andrias matthewi Estes p. 17
1981Cryptobranchus matthewi Naylor p. 85

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
Tetrapoda()
Temnospondyli()
Lissamphibia()
Batrachia(Macartney 1802)
Caudata(Scopoli 1777)
familyUrodela()
Cryptobranchoidea
familyCryptobranchidaeCope 1889
genusAndriasTschudi 1837
speciesmatthewi(Cook 1917)

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.

Diagnosis
No diagnoses are available