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Amynodon advenus

Mammalia - Perissodactyla - Amynodontidae

Taxonomy
Diceratherium advenum was named by Marsh (1875).

It was recombined as Amynodon advenus by Marsh (1877), Scott and Osborn (1883), Osborn (1890), Hay (1902), Wilson and Schiebout (1981), Wall (1982), Westgate (1990), Wall (1998) and Dawson and Constenius (2018).

Synonyms
Synonymy list
YearName and author
1875Diceratherium advenum Marsh
1877Amynodon advenus Marsh p. 252
1882Orthocynodon antiquus Scott and Osborn p. 224
1883Amynodon advenus Scott and Osborn
1883Orthocynodon antiquus Scott and Osborn p. 4
1890Amynodon advenus Osborn
1890Amynodon antiquus Osborn
1890Amynodon intermedius Osborn
1902Amynodon advenus Hay p. 641
1902Amynodon antiquus Hay p. 641
1902Amynodon intermedius Hay p. 642
1921Amynodon antiquus Troxell
1921Amynodon erectus Troxell
1933Amynodontopsis intermedius Stock
1981Amynodon advenus Wilson and Schiebout
1982Amynodon advenus Wall
1990Amynodon advenus Westgate
1998Amynodon advenus Wall p. 584
2018Amynodon advenus Dawson and Constenius p. 54

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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
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
familyAmynodontidae
genusAmynodon
speciesadvenus()

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.

†Amynodon advenus Marsh 1875
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Invalid names: Amynodon erectus Troxell 1921 [synonym], Amynodon intermedius Osborn 1890 [synonym], Orthocynodon antiquus Scott and Osborn 1882 [synonym]
Diagnosis
ReferenceDiagnosis
W. B. Scott and H. F. Osborn 1883 (Orthocynodon antiquus)accessoryridges on first upper molars only, posterior crests on third upper pre molars low, canines trihedral and slightly recurved
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 15:05:00
Modified: 2005-08-31 17:05:00
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Wall 1998, Hendy et al. 2009, Ji et al. 2002, Carroll 1988

Age range: Early/Lower Uintan or 46.20000 to 39.70000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Uintan46.2 - 39.7USA (California) Amynodontidae indet. (16763)
Early/Lower Uintan46.2 - 39.7USA (Texas) Amynodon advenus (16528 16650 16651)
Late/Upper Uintan46.2 - 39.7USA (California) Amynodontidae indet. (16585)
Late/Upper Uintan46.2 - 39.7USA (Texas) Amynodon advenus (16542)
Late/Upper Uintan46.2 - 39.7USA (Montana) Amynodon advenus (16551)
Uintan46.2 - 39.7USA (Utah) Amynodon advenus (16589 16607 16646 16654 222805) Amynodon sp. (16656)
Uintan46.2 - 39.7USA (Texas) Amynodon advenus (16653)
Uintan46.2 - 39.7USA (California) Amynodon advenus (16510 16792) Amynodon intermedius (16541) Rhinocerotoidea indet. (16790)
Uintan46.2 - 39.7USA (Wyoming) Amynodon advenus (16520 16523 16648 223472) Amynodon sp. (16630)
Uintan - Duchesnean46.2 - 37.0USA (California) Amynodon reedi (16533)