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Uintatherium anceps

Mammalia - Dinocerata - Uintatheriidae

Taxonomy
Titanotherium anceps was named by Marsh (1871).

It was recombined as Mastodon anceps by Marsh (1872); it was recombined as Tinoceras anceps by Marsh (1872) and Hay (1902); it was synonymized subjectively with Uintatherium robustum by Cope (1873); it was recombined as Uintatherium anceps by Wheeler (1961), Gazin (1976) and Lucas and Schoch (1998).

Synonyms
Synonymy list
YearName and author
1871Titanotherium anceps Marsh p. 35
1872Loxolophodon furcatus Cope
1872Uintamastix atrox Leidy p. 240
1872Uintatherium robustum Leidy p. 240
1872Dinoceras lacustre Marsh
1872Dinoceras mirabile Marsh
1872Mastodon anceps Marsh
1872Tinoceras anceps Marsh
1872Tinoceras grande Marsh
1873Eobasileus furcatus Cope p. 22
1873Uintatherium lacustre Cope p. 24
1873Uintatherium mirabile Cope p. 24
1873Uintatherium robustum Cope p. 24
1873Uintatherium robustum Leidy p. 96
1873Dinoceras laticeps Marsh
1873Dinoceras lucare Marsh
1878Uintatherium leidianum Osborn et al.
1878Uintatherium princeps Osborn et al.
1878Uintatherium leidianum Osborn et al. p. 63
1878Uintatherium princeps Osborn et al. p. 81
1885Octotomus laticeps Cope
1885Ditetrodon segne Cope p. 594
1885Dinoceras agreste Marsh
1885Dinoceras cuneum Marsh
1885Dinoceras distans Marsh
1885Dinoceras reflexum Marsh
1885Tinoceras affine Marsh
1885Tinoceras crassifrons Marsh
1885Tinoceras hians Marsh
1885Tinoceras jugum Marsh
1885Tinoceras lacustre Marsh
1885Tinoceras latum Marsh
1885Tinoceras pugnax Marsh
1885Tinoceras vagans Marsh
1885Uintatherium latifrons Marsh
1885Uintatherium segne Marsh
1886Elachoceras parvum Scott
1886Uintatherium alticeps Scott
1902Dinoceras agreste Hay p. 702
1902Uintatherium alticeps Hay p. 702
1902Uintatherium latifrons Hay p. 702
1902Uintatherium leidianum Hay p. 702
1902Uintatherium princeps Hay p. 702
1902Uintatherium robustum Hay p. 702
1902Uintatherium segne Hay p. 702
1902Dinoceras cuneum Hay p. 703
1902Dinoceras distans Hay p. 703
1902Dinoceras laticeps Hay p. 703
1902Dinoceras lucare Hay p. 703
1902Dinoceras mirabile Hay p. 703
1902Dinoceras reflexum Hay p. 703
1902Tinoceras affine Hay p. 704
1902Tinoceras anceps Hay p. 704
1902Tinoceras crassifrons Hay p. 704
1902Tinoceras grande Hay p. 704
1902Elachoceras parvum Hay p. 705
1902Tinoceras hians Hay p. 705
1902Tinoceras jugum Hay p. 705
1902Tinoceras lacustre Hay p. 705
1902Tinoceras latum Hay p. 705
1902Tinoceras pugnax Hay p. 705
1902Tinoceras vagans Hay p. 705
1902Eobasileus furcatus Hay p. 706
1937Uintatherium vagans Wilson
1961Uintatherium anceps Wheeler
1976Uintatherium anceps Gazin
1998Uintatherium anceps Lucas and Schoch p. 287

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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
RankNameAuthor
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Uintatheriamorpha
orderDinocerata
familyUintatheriidaeFlower 1876
subfamilyUintatheriinaeFlower 1876
genusUintatheriumLeidy 1872
speciesanceps()

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.

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]
Diagnosis
ReferenceDiagnosis
W. H. Wheeler 1961Same as for genus. [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.]