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Stuckyhyus siouxensis

Mammalia - Tayassuidae

Taxonomy
Thinohyus (Bothrolabis) siouxensis was named by Peterson (1906). Its type specimen is CM 1423, a skull (a nearly complete skull and lower jaws), and it is a 3D body fossil. Its type locality is Agate Springs Quarries, which is in a Harrisonian channel sandstone in the Marsland Formation of Nebraska.

It was recombined as Desmathyus siouxensis by Matthew (1907) and Pearson (1923); it was recombined as Stuckyhyus siouxensis by Prothero (2015) and Prothero (2021).

Synonymy list
YearName and author
1906Thinohyus (Bothrolabis) siouxensis Peterson p. 308
1907Desmathyus siouxensis Matthew p. 217
1923Desmathyus siouxensis Pearson
2015Stuckyhyus siouxensis Prothero p. 248 figs. 16 - 17
2021Stuckyhyus siouxensis 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()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
superfamilySuoidea
—Suina(Gray 1868)
familyTayassuidae
subfamilyHesperhyinae
genusStuckyhyus
speciessiouxensis()

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.

†Stuckyhyus siouxensis Peterson 1906
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Diagnosis
ReferenceDiagnosis
D. R. Prothero 2015[Same as for genus] Hesperhyine with a narrow plesiochoanal fossa, narrow posthamular part of the pterygoid, broad pterygoid process of the alisphenoid that joins the palate at a high angle, shallow orbitomaxillary fossa. It can be distinguished from other hesperhyines by its large lacrimal tubercle, and narrow lingual cingulum on 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: Hendy et al. 2009, Nowak 1999, Lillegraven 1979, Nowak 1991, Carroll 1988

Age range: Harrisonian or 24.80000 to 18.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Harrisonian24.8 - 18.5USA (Nebraska) Thinohyus siouxensis (type locality: 17741)