The DeBeque Formation is a geologic formation in Colorado's Piceance Basin, preserving fossils which date back to the Late Paleocene to Early Eocene period (Clarkforkian to Wasatchian in the NALMA classification. Examples of these fossils are held in the University of Colorado Museum of Natural History.
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Wasatchian correlations
Wasatchian correlations in North America| Formation | Wasatch | DeBeque | Claron | Indian Meadows | Pass Peak | Tatman | Willwood | Golden Valley | Coldwater | Allenby | Kamloops | Ootsa Lake | Margaret | Nanjemoy | Hatchetigbee | Tetas de Cabra | Hannold Hill | Coalmont | Cuchara | Galisteo | San Jose | Ypresian (IUCS) • Itaboraian (SALMA)Bumbanian (ALMA) • Mangaorapan (NZ) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basin | Powder RiverUintaPiceanceColorado PlateauWind RiverGreen RiverBighorn | Piceance | Colorado Plateau | Wind River | Green River | Bighorn | Williston | Okanagan | Princeton | Buck Creek | Nechako | Sverdrup | Potomac | GoM | Laguna Salada | Rio Grande | North Park | Raton | Galisteo | San Juan | DeBeque Formation (North America) | |
| Country | United States | Canada | United States | Mexico | United States | |||||||||||||||||
| Copelemur | ||||||||||||||||||||||
| Coryphodon | ||||||||||||||||||||||
| Diacodexis | ||||||||||||||||||||||
| Homogalax | ||||||||||||||||||||||
| Oxyaena | ||||||||||||||||||||||
| Paramys | ||||||||||||||||||||||
| Primates | ||||||||||||||||||||||
| Birds | ||||||||||||||||||||||
| Reptiles | ||||||||||||||||||||||
| Fish | ||||||||||||||||||||||
| Insects | ||||||||||||||||||||||
| Flora | ||||||||||||||||||||||
| Environments | Alluvial-fluvio-lacustrine | Fluvial | Fluvial | Fluvio-lacustrine | Fluvial | Lacustrine | Fluvio-lacustrine | Deltaic-paludal | Shallow marine | Fluvial | Shallow marine | Fluvial | Fluvial | Wasatchian volcanoclastics Wasatchian fauna Wasatchian flora | ||||||||
| Volcanic | Yes | No | Yes | No | Yes | No | Yes | No | Yes | No | ||||||||||||
See also
Bibliography
- Hirsch, Karl F.; Kihm, Allen J.; Zelenitsky, Darla K. (1997), "New Eggshell of Ratite Morphotype with Predation Marks from the Eocene of Colorado", Journal of Vertebrate Paleontology, 17 (2): 360, Bibcode:1997JVPal..17..360H, doi:10.1080/02724634.1997.10010980, ISSN 0272-4634 JSTOR 4523812
- Bown, Thomas M.; Kihm, Allen J. (1981), "Xenicohippus, an Unusual New Hyracotheriine (Mammalia, Perissodactyla) from Lower Eocene Rocks of Wyoming, Colorado and New Mexico", Journal of Paleontology, 55 (1): 257, ISSN 0022-3360 JSTOR 1304347
Further reading
- A. J. Lichtig and S. G. Lucas. 2015. Paleocene-Eocene turtles of the Piceance Creek Basin, Colorado. New Mexico Museum of Natural History and Science Bulletin 67:145-152
- A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado
- K. P. Schmidt. 1938. New crocodilians from the upper Paleocene of western Colorado. Geological Series of Field Museum of Natural History 6(21):315-321
References
Bown & Kihm, 1981 ↩
DeBeque Formation at Fossilworks.org https://paleobiodb.org/classic/displayCollResults?formation=DeBeque&member=NULL_OR_EMPTY ↩
Hirsch et al., 1997 ↩
"Collections". Museum of Natural History. 24 May 2016. Retrieved 10 November 2019. https://www.colorado.edu/cumuseum/research-collections/paleontology/vertebrates-ichnofossils/collections ↩