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Simojovelhyus pocitosense

Mammalia - Tayassuidae

Taxonomy
Simojovelhyus pocitosense was named by Ferrusquía-Villafranca (2006) [type is lost, description is based on casts]. Its type specimen is IHNE 6784, a mandible, and it is not a trace fossil. Its type locality is Los Pocitos, which is in an Oligocene lagoonal siltstone in the Simojovel-El Bosque Area Unit C Formation of Mexico. It is the type species of Simojovelhyus.

Synonymy list
YearName and author
2006Simojovelhyus pocitosense Ferrusquía-Villafranca p. 993 figs. Table 1, Figs. 3, 4
2007Simojovelhyus pocitosense Foss p. 87
2021Simojovelhyus pocitosense Prothero p. 9

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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
genusSimojovelhyus
speciespocitosense

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.

†Simojovelhyus pocitosense Ferrusquía-Villafranca 2006
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Diagnosis
ReferenceDiagnosis
I. Ferrusquía-Villafranca 2006Differs (Fig. 4) from other helohyids in having molars with a tiny paraconid, and a unique combination of cristids and cuspulids as follows. Cristids: paracristid, anteromesocristid (neomorphic), and anterolingualcristid (neo-morphic) on the trigonid anterior slope, cristid obliqua (short toremnant), and a robust postcristid in the talonid. Cuspulids (small, accessory): mesoconulid, hypoconulid (large and blunt in m3), postmesoconulid (neomorphic), and pseudohypoconulid (neomorphic).
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: Late/Upper Oligocene or 27.30000 to 23.04000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene27.3 - 23.04Mexico (Chiapas) Helohyidae indet. (type locality: 35366)