The Claggett Shale is a geological
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondar ...
in
Montana whose strata date back to the
Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.
[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. .]
Vertebrate paleofauna
* ''
Hesperornis altus''? - "Tibiotarsus and vertebra."
["Table 11.1," in Weishampel, et al. (2004). Page 215.] (possibly from the
Judith River Formation)
* ''Hesperornis montana''
* cf. ''
Maiasaura
''Maiasaura'' (from the Greek ''μαῖα'', meaning "good mother" and ''σαύρα'', the feminine form of ''saurus'', meaning "reptile") is a large herbivorous saurolophine hadrosaurid ("duck-billed") dinosaur genus that lived in the area curre ...
''
*
Tyrannosauridae indet.
See also
*
List of dinosaur-bearing rock formations
References
Geologic formations of Montana
Shale formations of the United States
Cretaceous Montana
Campanian Stage
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