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Alligator thomsoni

Osteichthyes

Taxonomy
Alligator thomsoni was named by Mook (1923). Its type specimen is AMNH 1736, a skull, and it is a 3D body fossil. Its type locality is Trojan Quarry, which is in a Barstovian terrestrial horizon in the Olcott Formation of Nebraska.

Sister species lacking formal opinion data
A. mississipiensis

Synonymy list
YearName and author
1923Alligator thomsoni Mook p. 1
1926Alligator thomsoni Barbour p. 110
1930Alligator thomsoni Hay p. 157
1941Alligator thomsoni Schmidt p. 32
2007Alligator thomsoni Snyder p. 924

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Solidocrania
suborderCrocodyliformes
—MesoeucrocodyliaWhetstone and Whybrow 1983
—NeosuchiaClark 1988
suborderEusuchiaHuxley 1875
—Crocodylia(Owen 1842)
—Alligatoroidea(Gray 1844)
—Globidonta
—Alligatoridae(Gray 1844)
—Alligatorinae(Cuvier 1807)
genusAlligatorDaudin 1809
speciesthomsoni

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.

†Alligator thomsoni Mook 1923
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marineuc
Locomotion: actively mobilec
Diet: carnivoreuc
Created: 2009-01-03 20:38:59
Modified: 2009-01-03 22:38:59
Source: c = class, subp = subphylum, uc = unranked clade
References: Kiessling 2004, Bush and Bambach 2015, Carroll 1988, Benton 1983, Hendy et al. 2009

Age range: Early/Lower Barstovian or 16.30000 to 12.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Alligator thomsoni (type locality: 18004)