https://www.usgs.gov/publications/cretaceous-anuran-and-dinosaur-footprints-patuxent-formation-virginia
Footprints of an anuran (gen. et sp. indet.), a theropod dinosaur (Megalosauropus sp.), and an ornithopod dinosaur (Amblydactylus sp.) have been recovered from...
dinosaur footprintspatuxent formationcretaceousanuran