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Polyacrodon ligatus

Mammalia - Panameriungulata - Proterotheriidae

Taxonomy
Polyacrodon ligatus was named by Roth (1899). Its type specimen is one upper molar, a tooth, and it is a 3D body fossil. Its type locality is Lago Musters, which is in a Mustersan terrestrial horizon in Argentina. It is the type species of Polyacrodon, Oroacrodon.

It was recombined as Oroacrodon ligatus by Ameghino (1904).

Synonymy list
YearName and author
1899Polyacrodon ligatus Roth p. 383
1904Oroacrodon ligatus Ameghino p. 40
1948Polyacrodon ligatus Simpson

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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
—Panperissodactyla
orderPanameriungulata
suborderLitopterna(Ameghino 1889)
familyProterotheriidaeAmeghino 1887
genusPolyacrodon
speciesligatus

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.

†Polyacrodon ligatus Roth 1899
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:35
Modified: 2009-01-05 19:11:35
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Carroll 1988, Lillegraven 1979, MacFadden et al. 1996, Hendy et al. 2009

Age range: Mustersan or 48.00000 to 42.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Mustersan48.0 - 42.0Argentina (Chubut) Polyacrodon ligatus (176287 type locality: 176290)