Mammalia - Theriiformes - Nyctitheriidae

Alternative combination: Leptacodon rosei

Full reference: P. D. Gingerich. 1987. Early Eocene bats (Mammalia, Chiroptera) and other vertebrates in freshwater limestones of the Willlwood Formation, Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(11):275-320

Belongs to Plagioctenodon according to K. C. Beard and M. R. Dawson 2009

Sister taxa: Plagioctenodon dormaalensis, Plagioctenodon krausae, Plagioctenodon savagei

Type specimen: UM 71650, a mandible (left dentary with P2-4M1-3). Its type locality is Holly's Microsite, which is in a Clarkforkian terrestrial horizon in Wyoming.

Average measurements (in mm): m1 1.42 x 1.05