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Eomoropidae

Mammalia - Perissodactyla - Eomoropidae

Taxonomy
Eomoropidae was named by Matthew (1929).

It was reranked as the subfamily Eomoropinae by Colbert (1935) and Hough (1955); it was synonymized subjectively with Chalicotheriidae by Hooker and Dashzeveg (2004).

It was assigned to Chalicotheriidae by Colbert (1935) and Hough (1955); and to Chalicotherioidea by Holbrook (1999) and Missiaen and Gingerich (2012).

Synonymy list
YearName and author
1929Eomoropidae Matthew
1935Eomoropinae Colbert p. 10
1955Eomoropinae Hough p. 34
1999Eomoropidae Holbrook p. 346
2012Eomoropidae Missiaen and Gingerich

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ancylopoda()
superfamilyChalicotherioideaGill 1872
familyEomoropidaeMatthew 1929
familyEomoropidaeMatthew 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.

Fm. †Eomoropidae Matthew 1929
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G. †Litolophus Radinsky 1964
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†Litolophus ghazijensis Missiaen and Gingerich 2012
†Litolophus gobiensis Colbert 1934
G. †Pappomoropus Tong and Wang 2006
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†Pappomoropus taishanensis Tong and Wang 2006
Diagnosis
ReferenceDiagnosis
E. H. Colbert 1935Primitive and of small size. Quadrate, brachyodoni tmolars, with protoloph connecting protocone and metacone, and metaloph connecting paracone and hypocone; lower molars with a separate metastylid; third lower molar with a talonid. First upper premolar and both upper and lower canines present; lower canine more or less in series with the incisors; incisor formula variable. Manus tetradactyl; pes tridactyl; astragalus with or without a cuboid facet (in Grangeria and Eomoropus respectively). Metapodials and phalanges not highly modified as in the later chalicotheres. Limbs subequal in length.
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, Carroll 1988, Coombs 1998, Lillegraven 1979

Age range: Early/Lower Eocene or 55.80000 to 48.60000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8Pakistan (Balochistan) Litolophus ghazijensis (112719 179963)
Early/Lower Eocene55.8 - 48.6China (Nei Mongol) Grangeria gobiensis (182555) Litolophus gobiensis (75275)
Early/Lower Eocene55.8 - 48.6China (Shandong) Pappomoropus taishanensis (77929)