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Andrias matthewi

Amphibia - Temnospondyli - 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()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
classAmphibia
orderTemnospondyli()
—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.

†Andrias matthewi Cook 1917
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Invalid names: Cryptobranchus mccalli Tihen and Chantell 1963 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilesubo
Life habit: amphibioussubo
Diet: carnivoresubo
Dispersal: waterc
Created: 2009-07-20 21:44:54
Modified: 2009-07-20 23:44:54
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Uhen 2004, Carroll 1988, Hendy et al. 2009

Age range: base of the Barstovian to the top of the Hemingfordian or 16.30000 to 15.97000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hemingfordian20.43 - 15.97USA (Nebraska) Andrias matthewi (17923 27418)
Hemingfordian20.43 - 15.97USA (Colorado) Andrias matthewi (17965)
Hemingfordian20.43 - 15.97USA (Nebraska) Plicagnathus matthewi (type locality: 17969)
Barstovian16.3 - 12.5USA (Nebraska) Cryptobranchus mccalli (18284)
Barstovian16.3 - 12.5Canada (Saskatchewan) Cryptobranchus matthewi (75873)