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Hypertragulus heikeni

Mammalia - Hypertragulidae

Taxonomy
Hypertragulus heikeni was named by Ferrusquia-Villafranca (1969). Its type specimen is IGM 65-39, a mandible (both mandible rami with p1-m3,), and it is a 3D body fossil. Its type locality is Rancho Gaitan, which is in a Chadronian terrestrial horizon in the Preitos Formation of Mexico.

Synonymy list
YearName and author
1969Hypertragulus heikeni Ferrusquia
1969Hypertragulus heikeni Ferrusquia-Villafranca p. 128 figs. 5e and f
2001Hypertragulus heikeni Vislobokova p. S140

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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
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
—Ruminantia(Scopoli 1777)
infraorderTragulina
superfamilyHypertraguloidea
familyHypertragulidae
genusHypertragulus
speciesheikeni

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.

†Hypertragulus heikeni Ferrusquia-Villafranca 1969
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Diagnosis
ReferenceDiagnosis
I. Ferrusquia-Villafranca 1969 smaller species than H. ca/,caratus Cope; anterior mental foramen below diastema; posterior mental foramen below the contact of P3 and P4; dentition brachydont; P2 isolated; P3 with a tiny accessory cusp; P4 bicusped, basined posteriorly; lower molars typically selenodont; well- defined shelves hut not pillars;, Ml-2 with sharp and equally developed an·
terior and posterior cingula; M3 talonid noncrescentic, but with a small spur on the internal crest.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:47:03
Modified: 2005-08-31 16:47:03
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Nowak 1999, Webb 1998, Carroll 1988, Hendy et al. 2009

Age range: base of the Chadronian to the top of the Duchesnean or 37.20000 to 37.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Duchesnean39.7 - 37.0USA (Texas) Hypertragulus heikeni (16838)
Chadronian37.2 - 33.9Mexico (Chihuahua) Hypertragulus heikeni (type locality: 17015)