Question: Palaeoscincus is a genus of dinosaur based on what upper Cetaceous Formation from 80 - 75 million years ago?
Sentence (from "Palaeoscincus"): Palaeoscincus (meaning "ancient skink" from the Greek παλαιός and σκίγγος) is a dubious genus of ankylosaurian dinosaur based on teeth from the mid-late Campanian-age Upper Cretaceous Judith River Formation of Montana.
Relevant evidence: Yes