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Cheyenne River in Custer County, Custer County, South Dakota, USA
Lat/Long (Decimal) | 43.5333,-103.05 |
---|---|
Co-ordinates Derivation | based on nearby landmark |
Given Location | South Dakota, United States |
Mindat.org Region (for given coordinates) | Custer County, South Dakota, USA |
Collections
Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
---|---|---|---|---|---|
Cheyenne River in Custer County | Williston S. W. | Pierre Shale | upper Pierre; Prognathodon overtoni found 100 ft above Mosasaurus horridus | "shale" | 83.5 - 70.6 Ma Late/Upper Cretaceous |
Recorded Fossils
Accepted Name | Hierarchy | Age |
---|---|---|
Mosasaurus missouriensis species | Animalia : Chordata : Reptilia : Squamata : Mosasauridae : Mosasaurus : Ichthyosaurus missouriensis | 83.5 - 70.6 Ma Late/Upper Cretaceous |
Prognathodon overtoni species | Animalia : Chordata : Reptilia : Squamata : Mosasauridae : Prognathodon : Brachysaurus overtoni | 83.5 - 70.6 Ma Late/Upper Cretaceous |
References
Williston S. W. New or little known extinct vertebrates, Kansas University Quarterly 3 3, 165-176 |
Russell D. A. (1964) The Skull of American Mosasaurs, 1-386 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!