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Tylocephalonyx skinneri

Mammalia - Perissodactyla - Chalicotheriidae

Taxonomy
Tylocephalonyx skinneri was named by Coombs (1979) [genotype]. Its type locality is Greenside Quarry, which is in a Hemingfordian fluvial siltstone in the Sheep Creek Formation of Nebraska. It is the type species of Tylocephalonyx.

Synonymy list
YearName and author
1979Tylocephalonyx skinneri Coombs

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ancylopoda()
superfamilyChalicotherioideaGill 1872
familyChalicotheriidaeGill 1872
subfamilySchizotheriinae
genusTylocephalonyx
speciesskinneri

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.

†Tylocephalonyx skinneri Coombs 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingsuperf
Diet: browsersuperf
Reproduction: viviparoussubc
Created: 2005-08-31 14:59:14
Modified: 2005-08-31 16:59:14
Source: superf = superfamily, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Coombs 1998, Hendy et al. 2009

Age range: Hemingfordian or 18.50000 to 16.30000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hemingfordian18.5 - 16.3USA (Wyoming) Tylocephalonyx skinneri (167861)
Hemingfordian18.5 - 16.3USA (Nebraska) Moropus sp. (17871 17883 17902 type locality: 17920 17952 17980 17988 18001) Tylocephalonyx skinneri (17900 17917 17961 17979)
Hemingfordian18.5 - 16.3USA (Wyoming) Tylocephalonyx skinneri (19073 19074 19078 19080)