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USGS Loc. D2837, Boulder County, Colorado, USA
| Lat/Long (Decimal) | 40.0833,-105.351 |
|---|---|
| Co-ordinates Derivation | based on nearby landmark |
| Given Location | Colorado, United States |
| Mindat.org Region (for given coordinates) | Boulder County, Colorado, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| USGS Loc. D2740, Boulder Co. [Pierre Shale] | Kennedy W. J., Landman N. H., et al (2000) | Pierre Shale | STRATIGRAPHIC RELATIONS: From the Pierre Shale, for which lithostratigraphic relations are not discussed. AGE: Late Campanian, on the basis of ammonoid biostratigraphy; Didymoceras cheyennense zone. STRATIGRAPHIC POSITION: From unknown position within formation. | "shale" | 83.5 - 70.6 Ma Late/Upper Cretaceous |
| USGS Loc. D2837, Boulder Co. [Pierre Shale] | Kennedy W. J., Landman N. H., et al (2000) | Pierre Shale | STRATIGRAPHIC RELATIONS: From the Pierre Shale, for which lithostratigraphic relations are not discussed. AGE: Late Campanian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation. | "shale" | 83.5 - 70.6 Ma Late/Upper Cretaceous |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Oxybeloceras crassumspecies | Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Oxybeloceras : Oxybeloceras crassum | 83.5 - 70.6 Ma Late/Upper Cretaceous |
| Spiroxybeloceras meekanum species | Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Spiroxybeloceras : Spiroxybeloceras meekanum | 83.5 - 70.6 Ma Late/Upper Cretaceous |
| Didymoceras cheyennense species | Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Didymoceras : Didymoceras cheyennense | 83.5 - 70.6 Ma Late/Upper Cretaceous |
References
| Kennedy W. J., Landman N. H., et al (2000) Late Campanian (Cretaceous) heteromorph ammonites, Bulletin of the American Museum of Natural History 251, 1-88 |
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!
