Acidomomys hebeticus fossils were described from the late Paleocene, Clarkforkian freshwater limestones of Clarks Fork Basin, Wyoming.[1] They appear to have an unusual dental eruption sequence, differing from Plesiadapis and other primitive primates and possibly indicating differences in facial appearance or life history.[citation needed]
References
^Bloch, Jonathan I.; Boyer, Doug M.; Gingerich, Philip D.; Gunnell, Gregg F. (2002). "New primitive paromomyid from the Clarkforkian of Wyoming and dental eruption in Plesiadapiformes". Journal of Vertebrate Paleontology. 22 (2): 366–379. doi:10.1671/0272-4634(2002)022[0366:NPPFTC]2.0.CO;2. S2CID85772420.