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Hesperhys vagrans

Mammalia - Tayassuidae

Taxonomy
Hesperhys vagrans was named by Douglass (1903) [genotype].

Synonyms
Synonymy list
YearName and author
1903Hesperhys vagrans Douglass
1932Desmathyus validus Matthew p. 3 fig. 4
1998Hesperhys vagrans Wright p. 395
2015Hesperhys vagrans Prothero p. 241 figs. 4 - 6
2021Hesperhys vagrans Prothero p. 10

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

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.

†Hesperhys vagrans Douglass 1903
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Invalid names: Desmathyus validus Matthew 1932 [synonym]
Diagnosis
ReferenceDiagnosis
W. D. Matthew 1932 (Desmathyus validus)-Slightly larger than D. pinensis; p3 sub-oval in form, nearly as large as p4 and similar in cusp construction. In D. pinensis the inner crescent of p3 is smaller and imperfect, giving the tooth a sub-trigonal outline.
D. R. Prothero 2015[Same as for genus] Very large hesperhyine with very massive, robust skull and aring orbits and zygomatic arches, and broad rostrum; cheek teeth more robust and bulbous than in any other hesperhyine. The plesiochoanal fossa is reduced to a shallow pocket. P3 has a large protocone. The i1 and i2 are deep dorsoventrally at the base.
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: Carroll 1988, Hendy et al. 2009, Nowak 1999, Lillegraven 1979, Nowak 1991

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

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97USA (Nevada) Desmathyus validus (18962)
Hemingfordian20.43 - 15.97USA (Nebraska) Desmathyus validus (18001)
Barstovian16.3 - 12.5USA (California) Hesperhys vagrans (19356 19565 19616)
Barstovian16.3 - 12.5USA (Montana) Hesperhys vagrans (18894)
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Hesperhys sp. (17955) Hesperhys vagrans (17905 17985)