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Desmathyus pinensis

Mammalia - Tayassuidae

Taxonomy
Desmathyus pinensis was named by Matthew (1907). Its type locality is AMNH Rosebud 16, which is in a Harrisonian terrestrial horizon in South Dakota.

It was recombined as Hesperhys pinensis by Wright (1998).

Synonymy list
YearName and author
1907Desmathyus pinensis Matthew
1998Hesperhys pinensis Wright p. 395
2015Desmathyus pinensis Prothero p. 243 figs. 9 - 11
2021Desmathyus pinensis Prothero p. 12

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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
genusDesmathyus
speciespinensis

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.

†Desmathyus pinensis Matthew 1907
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Diagnosis
ReferenceDiagnosis
D. R. Prothero 2015[Same as for genus] Smaller hesperhyine with a long narrow rostrum and gracile zygomatic arches and orbital regions, and smaller less robust and in ated cheek teeth (in contrast to Hesperhys); P3 has a large lingual cingulum which may develop a protocone; i1 and i2 are dorsoventrally shallow at the base; narrow but deep plesiochoanal chamber.
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: Nowak 1991, Nowak 1999, Hendy et al. 2009, Carroll 1988, Lillegraven 1979

Age range: base of the Hemingfordian to the top of the Harrisonian or 20.43000 to 18.50000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Harrisonian24.8 - 18.5USA (South Dakota) Desmathyus pinensis (17745 type locality: 17747 17748 17831)
Hemingfordian20.43 - 15.97USA (Nevada) Desmathyus pinensis (18961 18962)
Hemingfordian20.43 - 15.97USA (South Dakota) Desmathyus pinensis (17912)