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Chinle - Sloan Canyon, USA

Group	Chinle
Formation	Sloan Canyon
Age:	228 - 209 Ma Late/Upper Triassic
Interval	Norian
Lithology	sandstone/siltstone, siltstone, conglomerate, sandstone/claystone
Number of Collections	5
Number of Occurrences	32

Recorded Sample Locations

Location	Region	Stratigraphic Name
Peacock Canyon tracksite	Union County, New Mexico, USA	Chinle - Sloan Canyon
Peacock Canyon tracksite	Union County, New Mexico, USA	Chinle - Sloan Canyon
Sloan Canyon	Union County, New Mexico, USA	Chinle - Sloan Canyon
Furnish Canyon pterosaur tracksite	Baca County, Colorado, USA	Chinle - Sloan Canyon

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Morrison	151 - 89.8 Ma Mesozoic	sandstone, mudstone, "siliciclastic", "shale"/siltstone, sandstone/"shale", "limestone"/claystone, sandstone/mudstone, siltstone/claystone, claystone, sandstone/siltstone, siltstone/"limestone", mudstone/siltstone, mudstone/sandstone, grainstone/siltstone, conglomerate, conglomerate/sandstone, "limestone"/mudstone, siltstone/sandstone, mudstone/claystone, siltstone, sandstone/"limestone", lime mudstone/mudstone	445
Travesser	228 - 209 Ma Late/Upper Triassic	shale, conglomerate	4
Chinle - Sheep Pen Sandstone	228 - 209 Ma Late/Upper Triassic	sandstone	10

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Acanthichnus sp. genus	6	*Acanthichnus*	228 - 208.5 Ma Late/Upper Triassic
Isopodichnus sp. genus	6	*Isopodichnus*	228 - 208.5 Ma Late/Upper Triassic
Kouphichnium sp. genus	6	Animalia : Chordata : Reptilia : *Kouphichnium*	228 - 208.5 Ma Late/Upper Triassic
Scoyenia sp. genus	6	*Scoyenia*	228 - 208.5 Ma Late/Upper Triassic
Darwinula sp. genus	6	Animalia : Arthropoda : Ostracoda : Podocopida : Darwinulidae : *Darwinula*	228 - 208.5 Ma Late/Upper Triassic
Gerdalia sp. genus	6	Animalia : Arthropoda : Ostracoda : *Gerdalia*	228 - 208.5 Ma Late/Upper Triassic
Redfieldiidae family	5	Animalia : Chordata : Actinopteri : Palaeonisciformes : Redfieldiidae	228 - 208.5 Ma Late/Upper Triassic
Semionotidae family	5	Animalia : Chordata : Actinopteri : Semionotiformes : Semionotidae	228 - 208.5 Ma Late/Upper Triassic
Lissodus sp. genus	6	Animalia : Chordata : Chondrichthyes : Hybodontiformes : *Lissodus*	228 - 208.5 Ma Late/Upper Triassic
Anomoepus sp. genus	6	Animalia : Chordata : Ornithischia : Moyenisauropodidae : *Anomoepus*	228 - 208.5 Ma Late/Upper Triassic
Therapsida unranked clade	99	Animalia : Chordata : Osteichthyes : Cotylosauria : Therapsida	228 - 208.5 Ma Late/Upper Triassic
Brachychirotherium sp. genus	6	Animalia : Chordata : Reptilia : Chirotheriidae : *Brachychirotherium*	228 - 208.5 Ma Late/Upper Triassic
Chirotherium sp. genus	6	Animalia : Chordata : Reptilia : Chirotheriidae : *Chirotherium*	228 - 208.5 Ma Late/Upper Triassic
Archosauria unranked clade	99	Animalia : Chordata : Reptilia : Eosuchia : Archosauria	228 - 208.5 Ma Late/Upper Triassic
Apatopus sp. genus	6	Animalia : Chordata : Reptilia : Phytosauridae : *Apatopus*	228 - 208.5 Ma Late/Upper Triassic
Mystriosuchinae subfamily	5.3	Animalia : Chordata : Reptilia : Eosuchia : Parasuchidae : Mystriosuchinae	228 - 208.5 Ma Late/Upper Triassic
Rhynchosauroides sp. genus	6	Animalia : Chordata : Reptilia : Rhynchocephalia : *Rhynchosauroides*	228 - 208.5 Ma Late/Upper Triassic
Pterosauria order	4	Animalia : Chordata : Reptilia : Pterosauria	228 - 208.5 Ma Late/Upper Triassic
Coelurosaurichnus sp. genus	6	Animalia : Chordata : Saurischia : *Coelurosaurichnus*	228 - 208.5 Ma Late/Upper Triassic
Eubrontes sillimani species	7	Animalia : Chordata : Saurischia : Eubrontidae : Grallator (Eubrontes) : *Eubrontes sillimani*	228 - 208.5 Ma Late/Upper Triassic
Grallator (Anchisauripus) hitchcocki species	7	Animalia : Chordata : Saurischia : Eubrontidae : Grallator (Eubrontes) : *Grallator (Anchisauripus) hitchcocki*	228 - 208.5 Ma Late/Upper Triassic
Eosauropus sp. genus	6	Animalia : Chordata : Saurischia : *Eosauropus*	228 - 208.5 Ma Late/Upper Triassic
Eosauropus cimarronensis species	7	Animalia : Chordata : Saurischia : Eosauropus : *Eosauropus cimarronensis*	228 - 208.5 Ma Late/Upper Triassic
Pseudotetrasauropus sp. genus	6	Animalia : Chordata : Reptilia : Dinosauria : *Pseudotetrasauropus*	228 - 208.5 Ma Late/Upper Triassic

References

Baird D. (1964) Dockum (Late Triassic) reptile footprints from New Mexico, Journal of Paleontology 38 1, 118-125

Lockley M. G. (1986) A guide to dinosaur tracksites of the Colorado Plateau and American southwest, University of Colorado at Denver Geology Department Magazine, Special Issue 1, 1-56

Lockley M. G., Conrad K. (1987) Mesozoic tetrapod tracksites and their application in paleoecological census studies, Fourth Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. Occasional Papers of the Tyrrell Museum of Palaeontology 3, 148-153

Conrad K. L., Lockley M. G., et al (1987) Triassic and Jurassic vertebrate-dominated trace fossil assemblages of the Cimarron Valley region: implications for paleoeology and biostratigraphy, New Mexico Geological Society 38th Annual Fall Field Conference, Northeastern New Mexico. New Mexico Geological Society Guidebook 38, 127-138

Hunt A. P., Lucas S. G. (1993) Late Triassic microvertebrate localities in New Mexico (USA): implications for paleoecology, The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3, 187-191

Lockley M. G., Hunt A. P. (1993) A new Late Triassic tracksite from the Sloan Canyon Formation, type section, Cimarron Valley, New Mexico, The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3, 279-283

Lockley M. G., Hunt A. P. (1995) , Dinosaur Tracks and Other Fossil Footprints of the Western United States, xxi-338

Lockley M. G., Lucas S. G., et al (2006) Eosauropus, a new name for a Late Triassic track: further observations on the Late Triassic ichnogenus Tetrasauropus and related forms, with notes on the limits of interpretation, The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37, 192-198

Hunt A. P., Lucas S. G. (2007) Late Triassic tetrapod tracks of western North America, In S. G. Lucas & J. A. Spielmann (eds.), Triassic of the American West. New Mexico Museum of Natural History and Science Bulletin 40, 215-230

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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