Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Perissodactyla
Subsequent positions
Original entries
| Questionably †Brontopinae (Subfamily) Osborn, 1914 | |
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| Questionably †Brontotheriinae (Subfamily) Marsh, 1873 | |
|
| Questionably †Dolichorhininae (Subfamily) Riggs, 1912 | |
|
| Questionably †Embolotheriinae (Subfamily) Osborn, 1929 | |
|
| Questionably †Lambdotheriinae (Subfamily) Cope, 1889 | |
|
| Questionably †Menodontinae (Subfamily) Cope, 1881 | |
|
| Questionably †Nanotitan (Genus) Qi & Beard, 1996 | |
|
| Questionably †Pakotitanops (Genus) West, 1980 | |
|
| Questionably †Palaeosyopinae (Subfamily) Steinmann & Döderlein, 1890 | |
|
| Questionably †Telmatheriinae (Subfamily) Osborn, 1914 | |
|
Current position
Alternative positions
Historical positions
| Hippomorpha (Superfamily) |
Ref:
M.J. Benton, 2015: 445.
|
| Hippomorpha (Superfamily) |
Ref:
M.J. Benton, 2005: 402.
|
| †Brontotherioidea (Superfamily) Marsh, 1873 |
Ref:
M.C. McKenna & S.K. Bell, 1997: 473.
|
| Perissodactyla (Order) Owen, 1848 |
Ref:
1995
|
| Hippomorpha (Suborder) Wood, 1937 |
Ref:
B. Gardiner et al., 1989: 304.
|
| †Brontotherioidea (Superfamily) Marsh, 1873 |
Ref:
R.L. Carroll, 1988: App. (p. 644).
|
| †Brontotherioidea (Superfamily) Marsh, 1873 |
Ref:
B. Grzimek, 1973-1975
|
Number of Subtaxa