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Delfs Quarry, Fremont County, Colorado, USA

Lat/Long (Decimal)38.5335,-105.22
Co-ordinates Derivationestimated from map
Given LocationColorado, United States
Mindat.org Region (for given coordinates)Fremont County, Colorado, USA

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
Egg Gulch, Garden ParkCarpenter K. (1998)Morrison - Salt Washage based on charophytesmudstone155.7 - 150.8 Ma
Jurassic
Delfs Quarry, Garden Park (CMNH)McIntosh J. S., Williams M. E. (1988)Morrison - Salt Washmudstone157.3 - 152.1 Ma
Jurassic
Tim's Egg Site, Garden ParkCarpenter K. (1998)Morrison - Brushy Basin157.3 - 145 Ma
Jurassic

Recorded Fossils

Accepted NameHierarchyAge
Dryosaurus sp.
genus
Animalia : Chordata : Reptilia : Dinosauria : Dryosauridae : Dryosaurus155.7 - 150.8 Ma
Jurassic
Crocodylia
order
Animalia : Chordata : Reptilia : Crocodylia155.7 - 150.8 Ma
Jurassic
Eutretauranosuchus delfsi
species
Animalia : Chordata : Reptilia : Crocodylia : Goniopholididae : Eutretauranosuchus : Eutretauranosuchus delfsi157.3 - 152.1 Ma
Jurassic
Dinosauria
order
Animalia : Chordata : Reptilia : Dinosauria155.7 - 150.8 Ma
Jurassic
Preprismatoolithus coloradensis
species
Animalia : Chordata : Reptilia : Dinosauria : Prismatoolithidae : Preprismatoolithus : Preprismatoolithus coloradensis155.7 - 150.8 Ma
Jurassic
Glyptops sp.
genus
Animalia : Chordata : Reptilia : Testudines : Pleurosternidae : Glyptops157.3 - 152.1 Ma
Jurassic
Haplocanthosaurus delfsi
species
Animalia : Chordata : Reptilia : Dinosauria : Haplocanthosaurus : Haplocanthosaurus delfsi157.3 - 152.1 Ma
Jurassic
Theropoda
unranked clade
Animalia : Chordata : Saurischia : Theropoda157.3 - 152.1 Ma
Jurassic
Charophyta
phylum
Plantae : Charophyta155.7 - 150.8 Ma
Jurassic

References

McIntosh J. S., Williams M. E. (1988) A new species of sauropod dinosaur, Haplocanthosaurus delfsi sp. nov., from the Upper Jurassic Morrison Fm. of Colorado, Kirtlandia 43, 3-26
Carpenter K. (1998) Vertebrate biostratigraphy of the Morrison Formation near Cañon City, Colorado, Modern Geology 23, 407-426
Alf K. (1998) Preliminary study of an eggshell site in the Morrison Formation of Colorado, Modern Geology 23 1-4, 241-248
Foster J. R. (2003) Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A., New Mexico Museum of Natural History and Science Bulletin 23, 1-95
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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