Coalmont Formation


The Coalmont Formation is a geologic formation that outcrops in the North Park intermountain basin in Colorado. It contains fossil plants and coal layers dating back to the Paleogene period.

Fossil content

The following fossils have been reported from the formation:

Insects

Calandrites hindsi?Calandrites ursorum?Carabites arapahoensisCurculio beeklyi
  • ''Ophryastites hendersoni''

Flora

Allantodiopsis erosaAmpelopsis acerifoliaBetula stevensoniCarya antiquorumCercidiphyllum arcticumCissus marginataEucommia serrataFraxinus eocenicaGlyptostrobus nordenskioldiHydromystria expansaLastrea goldianaLaurophyllum perseanumLaurus socialisLygodium coloradenseMetasequoia occidentalisMimosites coloradensisNordenskioldia borealisPersea brossianaPlatanus nobilisP. raynoldsiPrunus corrugisPterocarya hispidaQuercus greenlandicaQ. sullyi?Robinia wardiSassafras thermale