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2023-06-09T05:32:25Z

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{{short description|Geological formation in Montana}}
{{Infobox rockunit
| name = Claggett Shale
| image =
| caption =
| type = [[Geological formation]]
| age = [[Late Cretaceous]], {{fossilrange|Campanian}}
| period = Campanian
| prilithology =
| otherlithology =
| namedfor =
| namedby =
| region = [[North America]]
| country =
| coordinates =
| unitof =
| subunits =
| underlies = [[Judith River Formation]]
| overlies =
| thickness =
| extent =
| area =
| map =
| map_caption =
}}

The '''Claggett Shale''' is a geological [[Formation (geology)|formation]] in [[Montana]] whose strata date back to the [[Late Cretaceous]]. Dinosaur remains are among the fossils that have been recovered from the formation.<ref name="cretaceousdistribution">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. {{ISBN|0-520-24209-2}}.</ref>

==Vertebrate paleofauna==
* ''[[Hesperornis]] altus''? - "Tibiotarsus and vertebra."<ref name="table-11-1-215">"Table 11.1," in Weishampel, et al. (2004). Page 215.</ref> (possibly from the [[Judith River Formation]])
* ''Hesperornis montana''
* cf. ''[[Maiasaura]]''
* [[Tyrannosauridae]] indet.<ref>{{Cite journal|last1=Dalman|first1=Sebastian G.|last2=Lucas|first2=Spencer G.|date=2016|title=Tyrannosaurid teeth from the Claggett Formation of the Elk Basin, Late Cretaceous of Western North America|journal=Bulletin of the New Mexico Museum of Natural History and Science|volume=71|pages=83–89}}</ref>

==See also==
{{Portal|Earth sciences|Paleontology|Dinosaurs||}}
* [[List of dinosaur-bearing rock formations]]

==References==
{{Reflist}}

{{coord missing|Montana}}

{{Clear}}

[[Category:Geologic formations of Montana]]
[[Category:Shale formations of the United States]]
[[Category:Cretaceous Montana]]
[[Category:Campanian Stage]]

{{Paleo-site-stub}}
{{Montana-geologic-formation-stub}}

Claggett Shale - Revision history

imported>Citation bot: Alter: pages. Add: authors 1-1. Removed parameters. Formatted dashes. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by Eastmain | Category:Shale_formations_of_the_United_States | #UCB_Category 59/125