Orodrominae is a subfamily of Thescelosaurid Ornithopod dinosaurs from the Cretaceous of North America. Orodromines were a North American based group with fossils from Canada and USA only. Albertadromeus, as its name suggests, is only from the upper (later) part of the Oldman Formation in the Belly River Group of Alberta, Canada. Orodromeus, the t...