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Thryptacodon orthogonius

Mammalia - Procreodi - Arctocyonidae

Taxonomy
Chriacus orthogonius was named by Russell (1929) [used in combination "Thryptacodon orthogonius" by Fox 1988, 1990]. Its type specimen is UALVP 124, a tooth (isolated left M2), and it is not a trace fossil.

It was recombined as Thryptacodon orthogonius by Scott et al. (2002).

Synonyms
Synonymy list
YearName and author
1929Chriacus orthogonius Russell
1956Thryptacodon demari Gazin p. 28 figs. Pl. 6:2-3
1956Thryptacodon belli Gazin p. 29
2002Thryptacodon orthogonius Scott et al. p. 695

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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
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusThryptacodon
speciesorthogonius(Russell 1929)

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.

†Thryptacodon orthogonius Russell 1929
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Invalid names: Thryptacodon belli Gazin 1956 [synonym], Thryptacodon demari Gazin 1956 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 13:54:39
Modified: 2011-04-24 18:06:44
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Archibald 1998, Ji et al. 2002, Hendy et al. 2009

Age range: base of the Torrejonian to the top of the Tiffanian or 63.80000 to 56.20000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Torrejonian63.8 - 60.9USA (Wyoming) Chriacus orthogonius (14880 14897 14898 14904 14905 14912)
Ti160.9 - 56.2Canada (Alberta) Thryptacodon orthogonius (14939)
Tiffanian60.9 - 56.2USA (Wyoming) Thryptacodon belli, Thryptacodon demari (14989) Thryptacodon demari (14964 14980 14981 14987 14997 15001)
Tiffanian60.9 - 56.2USA (Montana) Chriacus orthogonius, Thryptacodon demari (15025)