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Schizotherium avitum

Mammalia - Perissodactyla - Chalicotheriidae

Taxonomy
Schizotherium avitum was named by Matthew and Granger (1923). Its type specimen is AMNH 19157, a tooth (lower m3), and it is a 3D body fossil. Its type locality is Ergilin Dzo [AMNH], which is in an Eocene terrestrial sandstone in the Ergilin Dzo Formation of Mongolia.

Synonymy list
YearName and author
1923Schizotherium avitum Matthew and Granger p. 3
1978Schizotherium avitum Coombs
1991Schizotherium avitum Wang and Wang

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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
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ancylopoda()
superfamilyChalicotherioideaGill 1872
familyChalicotheriidaeGill 1872
genusSchizotheriumGervais 1876
speciesavitum

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.

†Schizotherium avitum Matthew and Granger 1923
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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: Ji et al. 2002, Hendy et al. 2009, Coombs 1998, Carroll 1988, Lillegraven 1979

Age range: base of the Late/Upper Eocene to the top of the Early/Lower Oligocene or 37.20000 to 28.40000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.2 - 33.9Mongolia Schizotherium avitum, Schizotherium sp. (type locality: 73781)
Late/Upper Eocene37.2 - 33.9Mongolia (Dornogov) Schizotherium avitum (174716 176016)
Ulangochuian37.2 - 33.9China (Nei Mongol) Schizotherium avitum (73808 73811)
Early/Lower Oligocene33.9 - 28.4China (Nei Mongol) Schizotherium avitum (34695)