Alternative combinations: Eotylopus profectus, Leptotragulus profectus
Synonym: Trigenicus socialis Douglass 1903
Full reference: W. D. Matthew. 1903. Bulletin of the American Museum of Natural History 19(6)
Sister taxa: none
- Trigenicus profectus: Its type locality is Pipestone Springs, which is in a Chadronian terrestrial claystone in the Renova Formation of Montana
- Trigenicus socialis: Its type locality is Thompson Creek, which is in a Chadronian terrestrial claystone in Montana.
Average measurements (in mm): m1 9.45 x 7.75