Last Spring Break I took a fossil hunting trip to the Late Cretaceous Cerro del Pueblo formation of Coahuila, Mexico. Found a lot of cool stuff, including partial tyrannosaurid teeth, a partial hadrosaur tooth, a bunch of turtle carapace pieces, a croc vert, a lot of Ankylosaurian osteoderms, tons of freshwater and marine gastropods, and much more.
This piece stands out, because I have been unable to ID it. My best guess would be a Pedal Ungual from some dinosaur, but it is unlike I’ve seen online. I’m hoping some dinosaur experts can help me out.