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Eotitanops
Taxonomy
Eotitanops was named by Osborn (1907). It is not extant.
It was synonymized subjectively with Palaeosyops by Wallace (1980).
It was assigned to Titanotheriidae by Scott (1913); to Brontotheridae by Osborn (1907), Dehm and Oettingen-Spielberg (1958), West (1980), Carroll (1988), Prothero and Schoch (1989), Mader (1989), Mader (1998) and Thewissen et al. (2001); to Eotitanopinae by Osborn (1914), Mihlbachler (2008) and Mader (2010); and to Brontotheriidae by Thewissen et al. (1987) and Missiaen et al. (2011).
It was synonymized subjectively with Palaeosyops by Wallace (1980).
It was assigned to Titanotheriidae by Scott (1913); to Brontotheridae by Osborn (1907), Dehm and Oettingen-Spielberg (1958), West (1980), Carroll (1988), Prothero and Schoch (1989), Mader (1989), Mader (1998) and Thewissen et al. (2001); to Eotitanopinae by Osborn (1914), Mihlbachler (2008) and Mader (2010); and to Brontotheriidae by Thewissen et al. (1987) and Missiaen et al. (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Eotitanops Osborn |
| 1913 | Eotitanops Scott p. 291 |
| 1914 | Eotitanops Osborn p. 403 |
| 1958 | Eotitanops Dehm and Oettingen-Spielberg p. 21 |
| 1980 | Eotitanops West p. 521 |
| 1987 | Eotitanops Thewissen et al. p. 268 |
| 1988 | Eotitanops Carroll |
| 1989 | Eotitanops Mader |
| 1989 | Eotitanops Prothero and Schoch p. 536 |
| 1998 | Eotitanops Mader |
| 2001 | Eotitanops Thewissen et al. p. 359 |
| 2008 | Eotitanops Mihlbachler p. 408 |
| 2010 | Eotitanops Mader |
| 2011 | Eotitanops Missiaen et al. p. 667 |
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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. †Eotitanops Osborn 1907
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†Eotitanops borealis Cope 1880
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Invalid names: Eotitanops brownianus Cope 1881 [synonym], Eotitanops major Osborn 1913 [synonym], Eotitanops princeps Osborn 1913 [synonym]
†Eotitanops dayi Dehm and Oettingen-Spielberg 1958
†Eotitanops pakistanensis Missiaen et al. 2011
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. J. Mader 2010 | Same as for member genus, Eotitanops (see below). Sister taxon to all other brontothere
subfamilies (see cladogram in Mader 1998, Fig. 36.5) |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Mader 1998, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009 | |||||
Age range: base of the Wasatchian to the top of the Bridgerian or 55.80000 to 46.20000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Pakistan (Balochistan) | E. pakistanensis (112719 112721 112723) | |
| Lostcabinian | USA (Wyoming) | E. borealis (15998 15999) | |
| Wasatchian | USA (Colorado) | E. borealis, E. brownianus (15651) E. minimus (15882) | |
| Wasatchian | USA (Wyoming) | E. borealis (15454 15486 15902) E. sp. (15565 15906 15911) Palaeosyops borealis (15904 15909) | |
| Bridgerian | USA (Colorado) | E. gregoryi (180105) E. minimus (16240) | |
| Bridgerian | USA (Wyoming) | E. borealis (16212 16223 16494 16495) E. minimus (15837) Palaeosyops borealis (16204 16207 16388 16397 16415 16450) | |
| Bridgerian | USA (Montana) | E. sp. (16401) | |
| Lutetian | Pakistan (Punjab) | E. dayi (45529 87970 87971 87972) | |
| Lutetian | Pakistan (North-West Frontier) | E. dayi (28978) |