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Hilarcotherium

Mammalia - Astrapotheria - Astrapotheriidae

Taxonomy
Hilarcotherium was named by Vallejo-Pareja et al. (2015). Its type is Hilarcotherium castanedaii.

It was assigned to Uruguaytheriinae by Vallejo-Pareja et al. (2015).

Species
H. castanedaii (type species), H. miyou

Synonymy list
YearName and author
2015Hilarcotherium Vallejo-Pareja et al.

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderAstrapotheria
familyAstrapotheriidaeAmeghino 1887
subfamilyUruguaytheriinae
genusHilarcotherium

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. †Hilarcotherium Vallejo-Pareja et al. 2015
show all | hide all
†Hilarcotherium castanedaii Vallejo-Pareja et al. 2015
†Hilarcotherium miyou Carrillo et al. 2018
Diagnosis
ReferenceDiagnosis
M. C. Vallejo-Pareja et al. 2015Apomorphies: unique dental formula, with 0/3i, 1/
1c, 1/1p, and 3/3m; lower canines with subtriangular transverse
section at the base. Differs from Granastrapotherium and Xenastrapotherium
in having three lower incisors, diagonal implantation
of lower canines, lower molars with lingual cingulid,
anterolingual pocket in fourth upper premolar (P4), and hypocone
in third upper molar (M3).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:22
Modified: 2009-01-05 19:11:22
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, MacFadden et al. 1996, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: base of the Burdigalian to the top of the Middle Miocene or 20.45000 to 11.63000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98Colombia (Guajira) Astrapotheriidae sp. (190377) H. miyou (176826)
Burdigalian20.45 - 15.98Colombia (La Guajira) H. miyou (162005)
Burdigalian - Langhian20.45 - 13.82Colombia (Guajira) H. miyou (145271)
Langhian15.98 - 13.82Colombia (Guajira) H. miyou (190376)
Middle Miocene15.98 - 11.63Colombia (Cesar) H. sp. (176829)
Laventan13.8 - 11.0Colombia (Tolima) H. castanedaii (169236)