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Colodon kayi

Mammalia - Perissodactyla - Tapiridae

Taxonomy
Desmatotherium kayi was named by Hough (1955). Its type locality is Hough Draw, which is in an Uintan terrestrial horizon in the Dell Beds Formation of Montana.

It was recombined as Colodon kayi by Radinsky (1963), Storer (1984), Wilson and Schiebout (1984), Schoch (1989) and Colbert and Schoch (1998).

Sister species lacking formal opinion data
C. hodsimai

Synonymy list
YearName and author
1955Desmatotherium kayi Hough
1963Colodon kayi Radinsky p. 60
1984Colodon kayi Storer
1984Colodon kayi Wilson and Schiebout
1989Colodon kayi Schoch
1998Colodon kayi Colbert and Schoch

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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)
superfamilyTapiroideaGill 1872
familyTapiridae()
genusColodon
specieskayi()

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.

†Colodon kayi Hough 1955
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Diagnosis
ReferenceDiagnosis
L. B. Radinsky 1963Larger than C. woodi and smaller than C. occidentalis: length M1-3 = 43.3 mm. Small canines present. See Table 9.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 20:13:37
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Nowak 1991, Lillegraven 1979

Age range: base of the Late/Upper Uintan to the top of the Chadronian or 46.20000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Uintan46.2 - 39.7Canada (Saskatchewan) Colodon kayi (16626)
Late/Upper Uintan46.2 - 39.7USA (Montana) Colodon kayi (16551 type locality: 16584)
Chadronian37.2 - 33.9USA (Montana) Colodon kayi (17010)