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Teleoceras
Taxonomy
Teleoceras was named by Hatcher (1894).
It was assigned to Teleoceratinae by Hay (1902); to Teleoceratini by Prothero and Schoch (1989), Prothero (1998), Prothero (2005), Gustafson (2012), Short et al. (2019) and May (2019); and to Rhinocerotidae by Hatcher (1894), Scott (1913), Thurmond and Jones (1981), Carroll (1988), Hulbert and Whitmore (2006) and Albright et al. (2019).
It was assigned to Teleoceratinae by Hay (1902); to Teleoceratini by Prothero and Schoch (1989), Prothero (1998), Prothero (2005), Gustafson (2012), Short et al. (2019) and May (2019); and to Rhinocerotidae by Hatcher (1894), Scott (1913), Thurmond and Jones (1981), Carroll (1988), Hulbert and Whitmore (2006) and Albright et al. (2019).
Species
T. (Mesoceras), T. aepysoma, T. americanum, T. brachyrhinum, T. felicis, T. fossiger (syn. Aceratherium acutum), T. guymonense, T. hicksi (syn. T. yumensis, Peraceras ponderis, Paraphelops rooksensis, T. ocotensis, T. schultzi), T. major, T. medicornutum (syn. T. thomsoni, T. (Mesoceras) thomsoni, Aphelops planiceps), T. meridianum (syn. T. minor), T. proterum (syn. Eusyodon maximus), T. pugnator, T. snowi
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Eusyodon Leidy |
| 1894 | Teleoceras Hatcher p. 149 |
| 1902 | Teleoceras Hay p. 646 |
| 1913 | Teleoceras Scott p. 291 |
| 1927 | Paraphelops Lane p. 300 |
| 1981 | Teleoceras Thurmond and Jones p. 186 |
| 1988 | Teleoceras Carroll |
| 1989 | Teleoceras Prothero and Schoch p. 535 |
| 1998 | Teleoceras Prothero p. 601 |
| 2005 | Teleoceras Prothero p. 94 |
| 2006 | Teleoceras Hulbert and Whitmore p. 18 |
| 2012 | Teleoceras Gustafson |
| 2019 | Teleoceras Albright et al. p. 185 |
| 2019 | Teleoceras May |
| 2019 | Teleoceras Short et al. p. 188 |
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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. †Teleoceras Hatcher 1894
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Subg. †Teleoceras (Mesoceras) Cook 1930
†Teleoceras aepysoma Short et al. 2019
†Teleoceras americanum Yatkola and Tanner 1979
†Teleoceras brachyrhinum Prothero 2005
†Teleoceras felicis Freudenberg 1921
†Teleoceras guymonense Prothero 2005
†Teleoceras hicksi Cook 1927
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Invalid names: Paraphelops rooksensis Lane 1927 [synonym], Peraceras ponderis Cook 1930 [synonym], Teleoceras ocotensis Dalquest and Mooser 1980 [synonym], Teleoceras schultzi Tanner 1975 [synonym], Teleoceras yumensis Cook 1930 [synonym]
†Teleoceras major Hatcher 1894
†Teleoceras medicornutum Osborn 1904
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Invalid names: Aphelops planiceps Osborn 1904 [synonym], Teleoceras (Mesoceras) thomsoni Cook 1930 [synonym], Teleoceras thomsoni Cook 1930 [synonym]
†Teleoceras pugnator Matsumoto 1921
†Teleoceras snowi Fourtau 1918
Invalid names: Eusyodon Leidy 1886 [synonym], Paraphelops Lane 1927 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. A. Short et al. 2019 | Retained characters from Prothero (2005:94): “medium- to large-sized teleoceratin rhinos with hypsodont teeth, strong antecrochets, greatly reduced premolars with dP1/ p1 lost and occasional loss of P2/p2, thick cement on teeth, narrow nasals with strongly downturned lateral edges, enlarged premaxilla and I1, broad zygomatic arches, flaring lambdoid crests (skull semicircular in posterior view)...lower tusk (i2) shaped like a teardrop in cross-section, and...bar- rel-shaped trunk.” Rejected characters from Pro- thero (2005) are provided in the remarks below. |