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Dakota - Pajarito, USA

GroupDakota
FormationPajarito
Age:113 - 101 Ma
Early/Lower Cretaceous
IntervalAlbian
Lithologysandstone, sandstone/mudstone
Number of Collections13
Number of Occurrences26

Recorded Sample Locations

LocationRegionStratigraphic Name
Clayton Lake tracksite Union County, New Mexico, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito
John Martin ReservoirBent County, Colorado, USADakota - Pajarito

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Dakota - Mesa Rica Sandstone113 - 101 Ma
Early/Lower Cretaceous
sandstone/"shale", sandstone14

Recorded Fossils

Accepted NameHierarchyAge
Plantae
kingdom
1Plantae113 - 100.5 Ma
Early/Lower Cretaceous
Arenicolites sp.
genus
6Arenicolites113 - 100.5 Ma
Early/Lower Cretaceous
Caririchnium sp.
genus
6Animalia : Chordata : Ornithischia : Iguanodontipodidae : Caririchnium113 - 100.5 Ma
Early/Lower Cretaceous
Ankylosauria
unranked clade
99Animalia : Chordata : Ornithischia : Ankylosauria113 - 100.5 Ma
Early/Lower Cretaceous
Ornithopoda
unranked clade
99Animalia : Chordata : Ornithischia : Ornithopoda113 - 100.5 Ma
Early/Lower Cretaceous
Crocodylia
order
4Animalia : Chordata : Reptilia : Crocodylia113 - 100.5 Ma
Early/Lower Cretaceous
Pterosauria
order
4Animalia : Chordata : Reptilia : Pterosauria113 - 100.5 Ma
Early/Lower Cretaceous
Magnoavipes sp.
genus
6Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimipodidae : Magnoavipes113 - 100.5 Ma
Early/Lower Cretaceous
Theropoda
unranked clade
99Animalia : Chordata : Saurischia : Theropoda113 - 100.5 Ma
Early/Lower Cretaceous

References

Thomas D. A., Gillette D. D. (1985) Ornithopod and theropod ichnofauna in the Dakota Formation, Clayton Lake State Park, northeastern New Mexico, Geological Society of America, Rocky Mountain Section, Abstracts with Programs 17 4, 267
Kukihara R., Lockley M. G. (2012) Fossil footprints from the Dakota Group (Cretaceous) John Martin Reservoir, Bent County, Colorado: New insights into the paleoecology of the Dinosaur Freeway, Cretaceous Research 33, 165-182 doi:10.1016/j.cretres.2011.09.013
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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