Mammalia - Perissodactyla - Rhinocerotidae
Synonym: Procaenopus Figgins 1934
Full reference: F. A. Lucas. 1900. A New Rhinoceros, Trigonias osborni, from the Miocene of South Dakota. 23(1207):221-223
Parent taxon: Rhinocerotidae according to H. Wang et al. 2016
See also Alroy 2002, Antoine et al. 2010, Carroll 1988, Hay 1902, Holbrook 1999, Prothero 1998, Prothero 2005, Prothero and Manning 1987, Prothero and Schoch 1989, Radinsky 1966, Scott 1913 and Scott 1941
Sister taxa: Aceratheriinae, Aceratheriini, Amphicaenopus, Anchisodon tubifer, Atelodus, Diceratheriinae, Dicerorhininae, Elasmotheriina, Forstercooperia crudus, Gigantamynodon akespensis, Gulfoceras, Huangotherium, Iranotheriinae, Penetrigonias, Rhinoceros crassus, Rhinoceros oregonensis, Rhinocerotinae, Subhyracodon, Teleoceratinae, Teletaceras, Uintaceras, Woodoceras, Zalabis
Subtaxa: Trigonias osborni Trigonias wellsi
Ecology: ground dwelling browser
Distribution:
• Oligocene of United States (1: Montana collection)
• Eocene to Oligocene of Mexico (1)
• Eocene of Canada (1: Saskatchewan), United States (21: Colorado, Montana, Nebraska, North Dakota, South Dakota, Texas, Wyoming)
Total: 24 collections including 31 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.