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Archaeotherium crassum

Mammalia - Entelodontidae

Taxonomy
Elotherium crassum was named by Marsh (1873).

It was recombined as Entelodon crassus by Marsh (1897); it was recombined as Archaeotherium crassum by Peterson (1909), Troxell (1920), Troxell (1920), Scott (1940) and Galbreath (1953); it was synonymized subjectively with Archaeotherium mortoni by Effinger (1998).

Synonymy list
YearName and author
1873Elotherium crassum Marsh p. 487
1893Elotherium crassum Marsh p. 408
1897Entelodon crassus Marsh
1902Elotherium crassum Hay p. 655
1909Archaeotherium crassum Peterson
1920Archaeotherium crassum Troxell
1940Archaeotherium crassum Scott p. 423
1953Archaeotherium crassum Galbreath

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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()
superfamilyEntelodontoideaLydekker 1883
familyEntelodontidaeLydekker 1883
genusArchaeotherium
speciescrassum()

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.

†Archaeotherium crassum Marsh 1873
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:31:11
Modified: 2005-08-31 16:31:11
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Effinger 1998

Age range: Chadronian or 37.20000 to 33.90000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9USA (Nebraska) Archaeotherium crassum (17018)
Chadronian37.2 - 33.9USA (South Dakota) Archaeotherium crassum (16978)
Chadronian37.2 - 33.9USA (Colorado) Archaeotherium crassum (16977)