PaleoDB taxon number: 51826
Alternative combination: Anaptomorphus bridgerensis
Type specimen: USNM 250559, a mandible (left dentary with p4, m2, and roots or alveoli of i1-2, c, and m1). Its type locality is Vass Quarry, which is in a Bridgerian terrestrial horizon in the Aycross Formation of Wyoming.
Ecology: arboreal insectivore
Average measurements (in mm): P4 2.40 x 3.00, M1 2.30 x 3.40, M2 2.10 x 4.00, p4 2.20 x 2.25, m1 2.23 x 1.95, m2 2.55 x 2.35