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Perchoerus minor

Mammalia - Tayassuidae

Taxonomy
Perchoerus minor was named by Cook (1922). Its type specimen is AMNH 86222 (originally HC 458), a mandible (right and left rami with right p3-m3, left p3-4, m2 and partial m3), and it is a 3D body fossil.

It was considered a nomen dubium by Wright (1998).

Synonymy list
YearName and author
1922Perchoerus minor Cook p. 358
1940Perchoerus minor Scott p. 501
2009Perchoerus minor Prothero p. 510
2021Perchoerus minor Prothero p. 7

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
superfamilySuoidea
—Suina(Gray 1868)
familyTayassuidae
genusPerchoerusLeidy 1869
speciesminor

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.

†Perchoerus minor Cook 1922
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Diagnosis
ReferenceDiagnosis
D. R. Prothero 2009mallest species of Perchoerus (ml -3 length = 34-42 mm); m3 with very simple non-expanded talonid (no"basin"); upper and lower molar cusps generally simpler in ornamentation and construction than in other species of Perchoerus; jaw shallower in lateral view and more slender than in other species of Perchoerus.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-23 13:10:33
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Nowak 1991, Carroll 1988

Age range: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9USA (Wyoming) Perchoerus minor (16986)
Chadronian37.2 - 33.9USA (South Dakota) Perchoerus minor (16885 16937 16938)
Orellan33.9 - 33.3USA (South Dakota) Perchoerus nanus (17095)