The Claggett Shale is a geological formation in Montana whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.

Vertebrate paleofauna

• Hesperornis altus? - "Tibiotarsus and vertebra." (possibly from the Judith River Formation)

• Hesperornis montana

• cf. Maiasaura

• Tyrannosauridae indet.

See also

• List of dinosaur-bearing rock formations

References