Full reference: F. A. Jenkins, Jr. and C. R. Schaff. 1988. Journal of Vertebrate Paleontology 8(1):1-24
Type specimen: MCZ 19965, a partial skeleton (partial skeleton including both mandibles and partial or complete postcranial bones). Its type locality is Harvard MCZ 19965 Site, Edwards Ranch, which is in an Aptian/Albian terrestrial horizon in the Cloverly Formation of Montana.
Ecology: scansorial insectivore
Average measurements (in mm): m1 4.46 x 2.10