PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Eobasileus

Mammalia - Dinocerata - Uintatheriidae

Taxonomy

Eobasileus was named by Cope (1872).

It was synonymized subjectively with Uintatherium by Leidy (1873).

It was assigned to Uintatheriidae by Cope (1872); to Dinocerata by Cope (1873); to Tinoceridae by Hay (1902); to Uintatheriini by Schoch and Lucas (1985); and to Uintatheriinae by Wheeler (1961) and Lucas and Schoch (1998).

Species

E. cornutus (syn. Uintacolotherium blayneyi, E. uintensis), E. furcatus, E. galeatus, E. pressicornis

Synonyms

Uintacolotherium was named by Cook (1926).

It was synonymized subjectively with Eobasileus by Wheeler (1961).

Synonymy list

Year	Name and author
1872	Eobasileus Cope
1873	Eobasileus Cope p. 5
1902	Eobasileus Hay p. 706
1926	Uintacolotherium Cook
1961	Eobasileus Wheeler pp. 52 - 53
1985	Eobasileus Schoch and Lucas p. 43
1998	Eobasileus Lucas and Schoch p. 287

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria

Rank	Name	Author
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Uintatheriamorpha
order	Dinocerata
family	Uintatheriidae	Flower 1876
subfamily	Uintatheriinae	Flower 1876
genus	Eobasileus

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. †Eobasileus Cope 1872

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†Eobasileus cornutus Cope 1872

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Invalid names: Eobasileus uintensis Osborn 1929 [synonym], Uintacolotherium blayneyi Cook 1926 [synonym]

†Eobasileus furcatus Cope 1872

†Eobasileus galeatus Cope 1873

†Eobasileus pressicornis Cope 1872

Invalid names: Uintacolotherium Cook 1926 [synonym]

Diagnosis

Reference	Diagnosis
W. H. Wheeler 1961	Large uintathere, distinguished from Uintatherium and Tetheopsis by skull pro- portions. Skull long and narrow with parietal horn situated relatively near occiput; postero- dorsal part of temporal fossa not widened; maxillary horn longer than 18 cm. and situated above premolars; portion of skull in front of maxillary horns very elongate. Skull in known specimens 85-95 cm. long; upper cheek-tooth row 168-188 mm. long.