Synonyms: Hipposyus formosus Leidy 1872, Limnotherium affine Marsh 1872, Limnotherium tyrannus Marsh 1871, Notharctus affinis Marsh 1872, Notharctus anceps Marsh 1872, Notharctus formosus Gregory 1916, Notharctus osborni Granger and Gregory 1917, Notharctus pugnax Granger and Gregory 1917, Notharctus tyrannus Marsh 1871, Thinolestes anceps Marsh 1872, Tomitherium affine Marsh 1872, Tomitherium rostratum Cope 1872, Tomitherium rostratus Cope 1872
Full reference: J. Leidy. 1870. [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, October 25th, 1870]. Proceedings of the Academy of Natural Sciences of Philadelphia 22(3):113-114
See also Alexander 1994, Bown 1982, Cope 1871, Cope 1872, Cope 1873, Eaton 1982, Gazin 1958, Gazin 1965, Granger and Gregory 1917, Hay 1902, Leidy 1870, Marsh 1871, Marsh 1872, Osborn et al. 1878 and Robinson 1957
- Notharctus tenebrosus: U.S.N.M. No. 3752, a mandible (nearly complete ramus of a lower jaw with C1, P2-M3). Its type locality is Black's Fork, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
- Hipposyus formosus:
- Limnotherium affine:
- Limnotherium tyrannus:
- Notharctus formosus:
- Notharctus osborni:
- Notharctus pugnax: Its type locality is Millersville, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
- Thinolestes anceps:
- Tomitherium rostratum: Its type locality is Black's Fork, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Ecology: arboreal omnivore
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.