Mammalia - Perissodactyla - Brontotheriidae
Alternative combinations: Megaceratops acer, Symborodon acer, Titanotherium acer
Synonyms: Symborodon altirostris Cope 1873, Titanotherium altirostris Cope 1873
Full reference: E. D. Cope. 1873. Second notice of extinct Vertebrata from the Tertiary of the Plains. Paleontological Bulletin 15:1-6
Belongs to Megacerops according to H. F. Osborn 1929
See also Cope 1873, Cope 1873, Cope 1875, Galbreath 1953, Hay 1902, Mader 1989, Mader 1998, Osborn 1896 and Osborn 1902
Sister taxa: Megacerops assiniboiensis, Megacerops bucco, Megacerops coloradensis, Megacerops copei, Megacerops curtus, Megacerops elatus, Megacerops kuwagatarhinus, Megacerops osborni, Megacerops riggsi, Megacerops syceras, Titanotherium proutii, Menodus giganteus, Menodus torvus, Menodus tichoceras, Menodus hypoceras, Menodus dolichoceras, Menodus angustigenis, Menodus heloceras, Titanops medius, Menops marshi, Menops serotinus, Menops walcotti, Menops varians, Menops crassicornis, Menops bakeri, Symborodon ophryas, Symborodon trigonoceras, Anisacodon montanus, Diploclonus amplus, Brontops brachycephalus, Brontops tyleri, Brontops dispar, Brontops bicornutus, Brontops selwynianus, Brontops robustus, Brontops validus, Allops crassicornus, Teleodus avus
Ecology: ground dwelling browser
Distribution: found only at Horsetail Creek (Eocene of Colorado)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.