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Alligator olseni

Osteichthyes

Taxonomy
Alligator olseni was named by White (1942). Its type specimen is M.C.Z. No. 1887, a skull (well preserved skull), and it is a 3D body fossil. Its type locality is Thomas Farm, which is in a Hemingfordian terrestrial sandstone/claystone in the Alachua Formation of Florida.

Sister species lacking formal opinion data
A. mississipiensis

Synonymy list
YearName and author
1942Alligator olseni White p. 3
1999Alligator olseni Brochu
2007Alligator olseni Snyder p. 918
2021Alligator olseni Rio and Mannion

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Life
—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
speciesolseni

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 olseni White 1942
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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: Bush and Bambach 2015, Kiessling 2004, Carroll 1988, Hendy et al. 2009, Benton 1983

Age range: base of the Aquitanian to the top of the Hemingfordian or 23.04000 to 16.30000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Aquitanian23.04 - 20.45USA (Texas) Alligator olseni (18663)
Early/Lower Miocene23.04 - 15.98USA (Florida) Alligator olseni (18537)
Hemingfordian18.5 - 16.3USA (Florida) Alligator olseni (18561 type locality: 18597)