OmomysOmomys is an extinct genus of omomyid primate from Middle Eocene North America.DescriptionThe postcrania of Omomys suggest it was adapted for leaping, bearing long ischia and ilia. The mastoid part of the temporal bone was pneumatized. Compared to European microchoerines, Omomys was more basal in postcrania, lacking a prominent posterior talar shelf. Omomys is thought to have weighed around 300 grams.