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Harding Sandstone, Fremont County, Colorado, USA

FormationHarding Sandstone
Age:461 - 450 Ma
Ordovician
IntervalFranklinian
Lithologysandstone
Number of Collections2
Number of Occurrences7

Recorded Sample Locations

LocationRegionStratigraphic Name
Harding QuarryFremont County, Colorado, USAHarding Sandstone
150 meters north of Harding QuarryFremont County, Colorado, USAHarding Sandstone

Recorded Fossils

Accepted NameHierarchyAge
Stereoconus sp.
genus
6Animalia : Chordata : Conodonta : Conodontophorida : Stereoconus460.9 - 449.5 Ma
Ordovician
Chirognathus sp.
genus
6Animalia : Chordata : Conodonta : Chirognathus460.9 - 449.5 Ma
Ordovician
Erismodus sp.
genus
6Animalia : Chordata : Conodonta : Erismodus460.9 - 449.5 Ma
Ordovician
Oulodus sp.
genus
6Animalia : Chordata : Conodonta : Oulodus460.9 - 449.5 Ma
Ordovician
Astraspis desiderata
species
7Animalia : Chordata : Astraspididae : Astraspis : Astraspis desiderata460.9 - 449.5 Ma
Ordovician
Eriptychius americanus
species
7Animalia : Chordata : Pteraspidomorpha : Astraspidiformes : Eriptychius : Eriptychius americanus460.9 - 449.5 Ma
Ordovician

References

Walcott C. D. Preliminary notes on the discovery of a vertebrate fauna in Silurian (Ordovician) strata, Geological Society of America Bulletin 3, 153-172
Sansom I. J., Smith M. P., et al (1997) Astraspis, the anatomy and histology of an Ordovician fish, Palaeontology 40 3, 625-643
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!
 
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