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Fremont Massive Dolomite, Pueblo County, Colorado, USA

Lat/Long (Decimal)38,-105
Co-ordinates Derivationnot explained
Given LocationColorado, United States
Mindat.org Region (for given coordinates)Pueblo County, Colorado, USA

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
Fremont Formation CephalopodsSweet W. C. (1955)FremontStratigraphy from "Harding and Fremont Formations, Colorado," Sweet 1954.dolomite452 - 443.7 Ma
Paleozoic
Fremont Massive DolomiteSweet W. C. (1954)Fremont - Massive DolomiteMassive Dolomite portion that should be it's own Member. (PJW transcribing!)dolomite452 - 443.7 Ma
Paleozoic
Fremont Priest CanyonSweet W. C. (1954)Fremont - Priest Canyondolomite452 - 443.7 Ma
Paleozoic
Harding FormationSweet W. C. (1954)Hardingsandstone460.9 - 449.5 Ma
Ordovician
Harding Formation TrilobitesFrederickson E. A., Pollack J. M. (1952)HardingStratigraphy from "Harding and Fremont Formations, Colorado" Sweet 1954."shale"460.9 - 449.5 Ma
Ordovician
Harding Formation Trilobites BFrederickson E. A., Pollack J. M. (1952)HardingStratigraphy from "Harding and Fremont Formations, Colorado" Sweet 1954.chert460.9 - 449.5 Ma
Ordovician

Recorded Fossils

Accepted NameHierarchyAge
Ceraurinus icarus
species
Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Ceraurinus : Ceraurinus icarus452 - 443.7 Ma
Paleozoic
Isalaux canyonensis
species
Animalia : Arthropoda : Trilobita : Phacopida : Pterygometopidae : Isalaux : Isalaux canyonensis460.9 - 449.5 Ma
Ordovician
Toernquistia sp.
genus
Animalia : Arthropoda : Trilobita : Proetida : Dimeropygidae : Toernquistia460.9 - 449.5 Ma
Ordovician
Lingula huronensis
species
Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : Lingula : Lingula huronensis460.9 - 449.5 Ma
Ordovician
Lingula (Palaeoglossa) hurlbuti
species
Animalia : Brachiopoda : Lingulata : Lingulida : Obolidae : Palaeoglossa : Lingula (Palaeoglossa) hurlbuti460.9 - 449.5 Ma
Ordovician
Zygospira modesta
species
Animalia : Brachiopoda : Rhynchonellata : Atrypida : Anazygidae : Zygospira : Zygospira modesta452 - 443.7 Ma
Paleozoic
Plaesiomys sp.
genus
Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : Plaesiomys452 - 443.7 Ma
Paleozoic
Plaesiomys bellilamellosus
species
Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : Plaesiomys : Plaesiomys bellilamellosus452 - 443.7 Ma
Paleozoic
Plaesiomys proavitus
species
Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : Plaesiomys : Plaesiomys proavitus452 - 443.7 Ma
Paleozoic
Hebertella sp.
genus
Animalia : Brachiopoda : Rhynchonellata : Orthida : Plectorthidae : Hebertella452 - 443.7 Ma
Paleozoic
Hiscobeccus capax
species
Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Hiscobeccus : Hiscobeccus capax452 - 443.7 Ma
Paleozoic
Lepidocyclus rectangularis
species
Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Lepidocyclus : Lepidocyclus rectangularis452 - 443.7 Ma
Paleozoic
Rhynchotrema sp.
genus
Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Rhynchotrema452 - 443.7 Ma
Paleozoic
Strophomena sp.
genus
Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Strophomena452 - 443.7 Ma
Paleozoic
Vertebrata
subphylum
Animalia : Chordata : Vertebrata460.9 - 449.5 Ma
Ordovician
Dictyorhabdus priscus
species
Animalia : Chordata : Chondrichthyes : Chimaeriformes : Chimaeridae : Dictyorhabdus : Dictyorhabdus priscus460.9 - 449.5 Ma
Ordovician
Amorphognathus sp.
genus
Animalia : Chordata : Balognathidae : Amorphognathus460.9 - 449.5 Ma
Ordovician
Chirognathus sp.
genus
Animalia : Chordata : Conodonta : Chirognathus460.9 - 449.5 Ma
Ordovician
Astraspis desiderata
species
Animalia : Chordata : Astraspididae : Astraspis : Astraspis desiderata460.9 - 449.5 Ma
Ordovician
Eriptychius americanus
species
Animalia : Chordata : Pteraspidomorpha : Astraspidiformes : Eriptychius : Eriptychius americanus460.9 - 449.5 Ma
Ordovician
Saffordophyllum sp.
genus
Animalia : Cnidaria : Anthozoa : Favositidae : Saffordophyllum452 - 443.7 Ma
Paleozoic
Catenipora robusta
species
Animalia : Cnidaria : Anthozoa : Halysitidae : Catenipora : Halysites robustus452 - 443.7 Ma
Paleozoic
Halysites sp.
genus
Animalia : Cnidaria : Anthozoa : Favositidae : Halysites452 - 443.7 Ma
Paleozoic
Calapoecia sp.
genus
Animalia : Cnidaria : Anthozoa : Favositidae : Calapoecia452 - 443.7 Ma
Paleozoic
Helicelasma rusticum
species
Animalia : Cnidaria : Anthozoa : Stauriida : Streptelasmatidae : Helicelasma : Helicelasma rusticum452 - 443.7 Ma
Paleozoic
Streptelasma sp.
genus
Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Streptelasma452 - 443.7 Ma
Paleozoic
Crinoidea
class
Animalia : Echinodermata : Crinoidea452 - 443.7 Ma
Paleozoic
Echinosphaerites sp.
genus
Animalia : Echinodermata : Rhombifera : Echinosphaeritidae : Echinosphaerites452 - 443.7 Ma
Paleozoic
Cyrtodonta sp.
genus
Animalia : Mollusca : Bivalvia : Cyrtodontidae : Cyrtodonta460.9 - 449.5 Ma
Ordovician
Vanuxemia sp.
genus
Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Vanuxemia460.9 - 449.5 Ma
Ordovician
Modiolopsis sp.
genus
Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : Modiolopsis460.9 - 449.5 Ma
Ordovician
Orthodesma sp.
genus
Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : Orthodesma460.9 - 449.5 Ma
Ordovician
Ctenodonta sp.
genus
Animalia : Mollusca : Bivalvia : Solemyida : Ctenodontidae : Ctenodonta460.9 - 449.5 Ma
Ordovician
Actinoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Actinoceratidae : Actinoceras452 - 443.7 Ma
Paleozoic
Lambeoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Gonioceratidae : Lambeoceras452 - 443.7 Ma
Paleozoic
Ormoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Ormoceratidae : Ormoceras460.9 - 449.5 Ma
Ordovician
Probillingsites sp.
genus
Animalia : Mollusca : Cephalopoda : Ascoceratidae : Probillingsites452 - 443.7 Ma
Paleozoic
Cyclendoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Endoceratidae : Cyclendoceras452 - 443.7 Ma
Paleozoic
Endoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Endoceratidae : Endoceras452 - 443.7 Ma
Paleozoic
Beloitoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Oncoceratidae : Beloitoceras452 - 443.7 Ma
Paleozoic
Neumatoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Oncoceratidae : Neumatoceras452 - 443.7 Ma
Paleozoic
Kionoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Orthoceratidae : Kionoceras452 - 443.7 Ma
Paleozoic
Ephippiorthoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Proteoceratidae : Ephippiorthoceras452 - 443.7 Ma
Paleozoic
Allumettoceras sp.
genus
Animalia : Mollusca : Cephalopoda : Tripteroceratidae : Allumettoceras452 - 443.7 Ma
Paleozoic
Spyroceras sp.
genus
Animalia : Mollusca : Cephalopoda : Pseudorthoceratidae : Spyroceras452 - 443.7 Ma
Paleozoic
Bucanella sp.
genus
Animalia : Mollusca : Bucanellidae : Bucanella452 - 443.7 Ma
Paleozoic
Helicotoma sp.
genus
Animalia : Mollusca : Gastropoda : Helicotomidae : Helicotoma452 - 443.7 Ma
Paleozoic
Pachystrophia contiguus
species
Animalia : Mollusca : Gastropoda : Holopeidae : Pachystrophia : Eccyliomphalus contiguus460.9 - 449.5 Ma
Ordovician
Liospira sp.
genus
Animalia : Mollusca : Gastropoda : Pleurotomariida : Eotomariidae : Liospira460.9 - 449.5 Ma
Ordovician
Lophospira perangulata
species
Animalia : Mollusca : Gastropoda : Lophospiridae : Lophospira : Murchisonia perangulata452 - 443.7 Ma
Paleozoic
Trochonema umbilicata
species
Animalia : Mollusca : Gastropoda : Trochonematidae : Trochonema : Trochonema umbilicata452 - 443.7 Ma
Paleozoic
Receptaculites sp.
genus
Chlorophyta : Chlorophyceae : Receptaculitidae : Receptaculites452 - 443.7 Ma
Paleozoic

References

Frederickson E. A., Pollack J. M. (1952) Two Trilobite Genera from the Harding Formation (Ordovician) of Colorado, Journal of Paleontology 26 4, 641-644
Sweet W. C. (1954) Harding and Fremont Formations, Colorado, Bulletin of the American Association of Petroleum Geologists 38 2, 284-305
Sweet W. C. (1955) Cephalopods from the Fremont Formation of Central Colorado, Journal of Paleontology 29 1, 71-82
Smith M. M., Sansom I. J., et al (1995) Diversity of the dermal skeleton in Ordovician to Silurian vertebrate taxa from North America: Histology, skeletogenesis and relationships, Geobios 19, 65-70
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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