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Lucashyus

Mammalia - Tayassuidae

Taxonomy
Lucashyus was named by Prothero (2015).

It was assigned to Hesperhyinae by Prothero (2015), Prothero (2021).

Species
L. coombsae

Synonymy list
YearName and author
2015Lucashyus Prothero p. 244 fig. 15
2021Lucashyus Prothero p. 13

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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
subfamilyHesperhyinae
genusLucashyus

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.

G. †Lucashyus Prothero 2015
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†Lucashyus coombsae Prothero 2015
Diagnosis
ReferenceDiagnosis
D. R. Prothero 2015(modi ed from Wright, 1991, p. 80) A hesperhyine peccary, as de ned by having a long cancellous anteroventral process of the auditory bulla, a large plesiochoanal fossa, broad posthamular part of the pterygoid, broad pterygoid process of the alisphenoid that joins the palatge at a high angle, and a shallow orbitomaxillary fossa. It is distinct from other hesperhyines in having a large lacrimal tubercle, a U-shaped margin of the plesiochoanal fossa (V-shaped in more derived hesperhyines), and a narrow lingual cingulum of the P3.
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, Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Nowak 1991

Age range: Harrisonian or 23.10000 to 18.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Harrisonian23.1 - 18.5USA (Wyoming) L. coombsae (17854)