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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).
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).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Eomoropidae Matthew |
| 1935 | Eomoropinae Colbert p. 10 |
| 1955 | Eomoropinae Hough p. 34 |
| 1999 | Eomoropidae Holbrook p. 346 |
| 2012 | Eomoropidae Missiaen and Gingerich |
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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
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. H. Colbert 1935 | Primitive 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
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| Source: superf = superfamily, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979, Coombs 1998 | |||||
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 |
|---|---|---|---|
| Ypresian | Pakistan (Balochistan) | Litolophus ghazijensis (112719 179963) | |
| Early/Lower Eocene | China (Nei Mongol) | Grangeria gobiensis (182555) Litolophus gobiensis (75275) | |
| Early/Lower Eocene | China (Shandong) | Pappomoropus taishanensis (77929) |