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Arretotherium acridens

Mammalia - Anthracotheriidae

Taxonomy
Arretotherium acridens was named by Douglass (1902) [genotype; also said to be 1902]. It is a 3D body fossil. Its type locality is Blacktail Deer Creek, which is in a Harrisonian terrestrial claystone/sandstone in the Blacktail Deer Creek Formation of Montana. It is the type species of Arretotherium.

Synonymy list
YearName and author
1902Arretotherium acridens Douglass p. 269

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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
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
superfamilyHippopotamoideaGray 1821
familyAnthracotheriidaeLeidy 1869
genusArretotherium
speciesacridens

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.

†Arretotherium acridens Douglass 1902
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: grazerg
Reproduction: viviparoussubc
Created: 2005-08-31 14:33:30
Modified: 2005-09-02 12:04:33
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Kron and Manning 1998, Carroll 1988, Lillegraven 1979, Nowak 1999

Age range: base of the Aquitanian to the top of the Hemingfordian or 23.03000 to 15.97000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Harrisonian24.8 - 18.5USA (Nebraska) Arretotherium acridens (17843 28043)
Harrisonian24.8 - 18.5USA (Montana) Arretotherium acridens (type locality: 17761)
Aquitanian23.03 - 20.44USA (Texas) Arretotherium acridens (18663)
Hemingfordian20.43 - 15.97USA (Texas) Arretotherium acridens (18626)
Barstovian16.3 - 12.5USA (Texas) Arretotherium acridens (18642)