Claggett Shale Explained

Claggett Shale
Type:	Geological formation
Age:	Late Cretaceous,
Period:	Campanian
Region:	North America
Underlies:	Judith River Formation

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.^[1]

Vertebrate paleofauna

• Hesperornis altus? - "Tibiotarsus and vertebra."^[2] (possibly from the Judith River Formation)
• Hesperornis montana
• cf. Maiasaura
• Tyrannosauridae indet.^[3]

See also

• List of dinosaur-bearing rock formations

References

Notes and References

1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. .
2. "Table 11.1," in Weishampel, et al. (2004). Page 215.
3. Dalman. Sebastian G.. Lucas. Spencer G.. 2016. Tyrannosaurid teeth from the Claggett Formation of the Elk Basin, Late Cretaceous of Western North America. Bulletin of the New Mexico Museum of Natural History and Science. 71. 83–89.