Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Platygonus rex

Mammalia - Tayassuidae

Taxonomy
Platygonus rex was named by Marsh (1894). It is a 3D body fossil. Its type locality is Rattlesnake, which is in a Hemphillian terrestrial siltstone in the Rattlesnake Formation of Oregon.

It was recombined as Prosthennops rex by Thorpe (1924), Matthew (1924), Colbert (1935) and Schultz (1937); it was considered a nomen dubium by Colbert (1938) and Wright (1998).

Synonymy list
YearName and author
1894Platygonus rex Marsh p. 273 figs. 31, 32
1902Platygonus rex Hay p. 661
1924Prosthennops rex Matthew
1924Prosthennops rex Thorpe
1935Prosthennops rex Colbert
1937Prosthennops rex Schultz
2021Platygonus rex Prothero p. 62

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
superfamilySuoidea
—Suina(Gray 1868)
familyTayassuidae
subfamilyTayassuinaePalmer 1897
tribePlatygonini
genusPlatygonus
speciesrex

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.

†Platygonus rex Marsh 1894
show all | hide all
Diagnosis
ReferenceDiagnosis
D. R. Prothero 2021Largest Miocene species of Platygonus,with zygolophodont but low-crowned teeth compared to later Platygonus.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserg
Diet 2: grazerg
Reproduction: viviparoussubc
Created: 2009-01-04 10:35:33
Modified: 2009-01-04 12:35:33
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Nowak 1991, MacFadden and Cerling 1996

Age range: Hemphillian or 10.30000 to 4.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Hemphillian10.3 - 4.9USA (Oregon) Platygonus rex (type locality: 19015)