The Coalmont Formation (Tmc) is a geologic formation that outcrops in the North Park intermountain basin in Colorado. It contains

fossil plants Paleobotany, which is also spelled as palaeobotany, is the branch of botany dealing with the recovery and identification of plant remains from geological contexts, and their use for the biological reconstruction of past environments (paleogeogr ...

and coal layers dating back to the

Paleogene The Paleogene ( ; British English, also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period, geologic period and system that spans 43 million years from the end of the Cretaceous Period million yea ...

period.Coalmont Formation
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...

.org

Fossil content

The following fossils have been reported from the formation:

Insects

* '' Calandrites hindsi''Cockerell, 1916 * '' ?Calandrites ursorum'' * '' ?Carabites arapahoensis''Cockerell, 1918 * '' Curculio beeklyi'' * '' Ophryastites hendersoni''

Flora

* '' Allantodiopsis erosa'' * '' Ampelopsis acerifolia'' * ''

Betula stevensoni A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 to ...

'' * ''

Carya antiquorum Hickory is a common name for trees composing the genus ''Carya'', which includes around 18 species. Five or six species are native to China, Indochina, and India ( Assam), as many as twelve are native to the United States, four are found in ...

''Brown, 1962 * '' Cercidiphyllum arcticum'' * '' Cissus marginata'' * '' Eucommia serrata'' * '' Fraxinus eocenica'' * '' Glyptostrobus nordenskioldi'' * '' Hydromystria expansa'' * '' Lastrea goldiana'' * '' Laurophyllum perseanum'' * '' Laurus socialis'' * '' Lygodium coloradense'' * '' Metasequoia occidentalis'' * '' Mimosites coloradensis'' * '' Nordenskioldia borealis'' * '' Persea brossiana'' * ''

Platanus nobilis ''Platanus'' is a genus consisting of a small number of tree species native to the Northern Hemisphere. They are the sole living members of the family Platanaceae. All mature members of ''Platanus'' are tall, reaching in height. All excep ...

'' * '' P. raynoldsi'' * '' Prunus corrugis'' * '' Pterocarya hispida'' * '' Quercus greenlandica'' * '' Q. sullyi'' * '' ?Robinia wardi'' * '' Sassafras thermale'' * '' Sparganium antiquum''

Wasatchian correlations

References

Bibliography