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Anisotemnus distentus

Mammalia - Notoungulata - Isotemnidae

Taxonomy
Isotemnus distentus was named by Ameghino (1901). It is a 3D body fossil. Its type locality is Pico Salamanca (Barrancan), which is in a Bartonian terrestrial horizon in Argentina. It is the type species of Anisotemnus.

It was recombined as Anisotemnus distentus by Ameghino (1902) and Simpson (1967).

Synonyms
Synonymy list
YearName and author
1901Isotemnus distentus Ameghino p. 415
1901Isotemnus lophiodontoides Ameghino p. 415
1902Anisotemnus distentus Ameghino p. 24–25
1904Toxotemnus lophiodontoides Ameghino p. 87
1967Anisotemnus distentus 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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
—PaenungulataSimpson 1945
—Sudamericungulata
orderNotoungulata
suborderToxodontiaAmeghino 1887
familyIsotemnidae
genusAnisotemnus
speciesdistentus()

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.

†Anisotemnus distentus Ameghino 1901
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Invalid names: Isotemnus lophiodontoides Ameghino 1901 [synonym]
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 17:11:49
Modified: 2009-01-05 19:11:49
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979, MacFadden et al. 1996

Age range: base of the Lutetian to the top of the Tinguirirican or 47.80000 to 29.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3Argentina (Chubut) Anisotemnus distentus (176165)
Lutetian - Bartonian47.8 - 38.0Argentina (Chubut) Isotemnus lophiodontoides, Anisotemnus distentus (176164)
Bartonian41.3 - 38.0Argentina (Chubut) Anisotemnus distentus (13779 176167) Isotemnus distentus (176168)
Tinguirirican36.0 - 29.0Argentina (Chubut) Anisotemnus distentus (176196)