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Uintatherium
Taxonomy
Uintatherium was named by Leidy (1872). It is not extant.
It was assigned to Proboscidea by Leidy (1873); to Dinocerata by Cope (1873); to Dinocerata by Cope (1875); to Tinoceridae by Hay (1902); to Uintatheriidae by Leidy (1872) and Dorr (1958); to Uintatheriini by Schoch and Lucas (1985); and to Uintatheriinae by Wheeler (1961) and Lucas and Schoch (1998).
It was assigned to Proboscidea by Leidy (1873); to Dinocerata by Cope (1873); to Dinocerata by Cope (1875); to Tinoceridae by Hay (1902); to Uintatheriidae by Leidy (1872) and Dorr (1958); to Uintatheriini by Schoch and Lucas (1985); and to Uintatheriinae by Wheeler (1961) and Lucas and Schoch (1998).
Species
Dinoceras (Paroceras), Dinoceras lucaris, Tinoceras (Laoceras), Tinoceras (Platoceras), Tinoceras cornutum, U. anceps (syn. U. alticeps, U. latifrons, Tinoceras affine, U. robustum, Dinoceras mirabile, Tinoceras hians, Dinoceras laticeps, Tinoceras grande, Loxolophodon furcatus, Tinoceras crassifrons, Tinoceras latum, Dinoceras lucare, Tinoceras jugum, Elachoceras parvum, Dinoceras distans, Tinoceras vagans, Dinoceras agreste, U. segne, Uintamastix atrox, Tinoceras pugnax, Dinoceras cuneum, U. leidianum, Dinoceras reflexum, Dinoceras lacustre, U. princeps), U. insperatus
Synonyms
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Synonymy list
Year | Name and author |
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1872 | Uintamastix Leidy |
1872 | Uintatherium Leidy |
1872 | Dinoceras Marsh |
1872 | Tinoceras Marsh |
1873 | Uintatherium Cope p. 5 |
1873 | Uintatherium Leidy p. 331 |
1875 | Uintatherium Cope p. 28 |
1884 | Paroceras Marsh |
1885 | Ditetrodon Cope |
1885 | Octotomus Cope |
1885 | Ditetrodon Cope p. 594 |
1886 | Elachoceras Scott |
1902 | Uintatherium Hay p. 701 |
1902 | Dinoceras Hay p. 702 |
1902 | Tinoceras Hay p. 703 |
1902 | Elachoceras Hay p. 705 |
1958 | Uintatherium Dorr, Jr. p. 516 |
1961 | Uintatherium Wheeler pp. 25 - 26 |
1985 | Uintatherium Schoch and Lucas p. 43 |
1998 | Uintatherium Lucas and Schoch p. 287 |
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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.
G. †Uintatherium Leidy 1872
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†Uintatherium anceps Marsh 1871
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Invalid names: Dinoceras agreste Marsh 1885 [synonym], Dinoceras cuneum Marsh 1885 [synonym], Dinoceras distans Marsh 1885 [synonym], Dinoceras lacustre Marsh 1872 [synonym], Dinoceras laticeps Marsh 1873 [synonym], Dinoceras lucare Marsh 1873 [synonym], Dinoceras mirabile Marsh 1872 [synonym], Dinoceras reflexum Marsh 1885 [synonym], Elachoceras parvum Scott 1886 [synonym], Loxolophodon furcatus Cope 1872 [synonym], Tinoceras affine Marsh 1885 [synonym], Tinoceras crassifrons Marsh 1885 [synonym], Tinoceras grande Marsh 1872 [synonym], Tinoceras hians Marsh 1885 [synonym], Tinoceras jugum Marsh 1885 [synonym], Tinoceras latum Marsh 1885 [synonym], Tinoceras pugnax Marsh 1885 [synonym], Tinoceras vagans Marsh 1885 [synonym], Uintamastix atrox Leidy 1872 [synonym], Uintatherium alticeps Scott 1886 [synonym], Uintatherium latifrons Marsh 1885 [synonym], Uintatherium leidianum Osborn et al. 1878 [synonym], Uintatherium princeps Osborn et al. 1878 [synonym], Uintatherium robustum Leidy 1872 [synonym], Uintatherium segne Marsh 1885 [synonym]
†Uintatherium insperatus Tong and Wang 1981
Invalid names: Dinoceras Marsh 1872 [synonym], Ditetrodon Cope 1885 [synonym], Elachoceras Scott 1886 [synonym], Octotomus Cope 1885 [synonym], Tinoceras Marsh 1872 [synonym], Uintamastix Leidy 1872 [synonym]
Diagnosis
Reference | Diagnosis | |
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W. H. Wheeler 1961 | Large uintathere, distinguished from Eobasileus and Tetheopsis by skull propor- tions. Skull relatively broad with parietal horn well in advance of occiput. The relative propor- tions for the large genera are shown in figure 1. Posterodorsal part of temporal fossa very wide; maxillary horn above diastema. Skull in known specimens 69 to 85 cm. long; upper cheek tooth row 143 to 169 mm long. |
Measurements
No measurements are available
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Source: o = order, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Hopson 1973, Carroll 1988, Lucas and Schoch 1998 |
Age range: base of the Bridgerian to the top of the Lutetian or 50.30000 to 41.30000 Ma
Collections (30 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Eocene | China (Inner Mongolia) | U. sp. (195165) | |
Early/Lower Eocene | China (Nei Mongol) | U. sp. (174917) | |
Bridgerian | USA (Wyoming) | Dinoceras agreste, Dinoceras laticeps, Tinoceras latum (16417) Dinoceras lucare, Dinoceras mirabile, U. latifrons (16404) U. anceps (16086 16200 16211 16234 16235 16236 16250 16278 16406 16421 16442 16448 16647) U. mirabile (16213) U. sp. (16418 16425 16426) | |
Lutetian | USA (California) | U. sp. (16662) | |
Middle Eocene | China (Shandong) | U. sp. (175583) | |
Middle Eocene | China (Xinjiang) | U. insperatus (176333) | |
Middle Eocene | China (Henan) | U. insperatus (175802) | |
Early/Lower Uintan | USA (Wyoming) | U. anceps (186968) | |
Uintan | USA (Utah) | U. anceps (16656) U. sp. (16646) | |
Uintan | USA (Texas) | U. anceps (16588) | |
Uintan | USA (California) | U. sp. (16509) |