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Protitanotherium
Taxonomy
Protitanotherium was named by Osborn (1908) [name suggested by Hatcher 1895; raised to genus level].
It was synonymized subjectively with Diplacodon by Lucas (1983).
It was assigned to Manteoceratinae by Osborn (1908); to Brontopinae by Osborn (1929); to Telmatheriinae by Prothero and Schoch (1989); to Brontotheridae by Carroll (1988), Mader (1989); to Brontotheriinae by Mader (2008); and to Brontotheriina by Mihlbachler (2008).
It was synonymized subjectively with Diplacodon by Lucas (1983).
It was assigned to Manteoceratinae by Osborn (1908); to Brontopinae by Osborn (1929); to Telmatheriinae by Prothero and Schoch (1989); to Brontotheridae by Carroll (1988), Mader (1989); to Brontotheriinae by Mader (2008); and to Brontotheriina by Mihlbachler (2008).
Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2017-02-18
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1908 | Protitanotherium Osborn p. 403 |
| 1929 | Protitanotherium Osborn p. 375 figs. Plates LXVIII, LXIX; text figures 24, 29, 87, 112, 128, 314-321, 371, 374, 375, 408, 409, 594-596, 6 |
| 1939 | Protitanotherium koreanicum Takai |
| 1988 | Protitanotherium Carroll |
| 1989 | Protitanotherium Mader |
| 1989 | Protitanotherium Prothero and Schoch p. 537 |
| 2008 | Protitanotherium Mader |
| 2008 | Protitanotherium Mihlbachler p. 413 |
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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. †Protitanotherium Osborn 1908
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†Protitanotherium emarginatum Hatcher 1895
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Invalid names: Protitanotherium superbum Osborn 1908 [synonym], Sthenodectes australis Wilson 1977 [synonym]
Invalid names: Protitanotherium koreanicum Takai 1939 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. F. Osborn 1929 | Horns relatively large, elliptical section, with anteroposterior diameter greatly exceeding the transverse. The incisor series numeri- cally typical, t; canines relatively large, robust and recurved; p4 submolariform but without entoconid; Pa, P2 transitional. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Mader 1998 | |||||
Age range: base of the Early/Lower Uintan to the top of the Late/Upper Eocene or 45.90000 to 33.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Uintan | USA (Texas) | P. emarginatum (16651) | |
| Uintan | USA (Texas) | P. emarginatum (16652) | |
| Uintan | USA (Utah) | P. sp. (16589 16594) | |
| Uintan | USA (New Mexico) | P. superbum (16600) | |
| Late/Upper Eocene | North Korea (Hwanghae-do) | P. koreanicum (48621) | |
| Late/Upper Eocene - Oligocene | North Korea (Kokai-do) | P. koreanicum (13997) |