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Pioche Shale - Grassy Spring, Lincoln County, Nevada, USA

Formation	Pioche Shale
Member	Grassy Spring
Age:	513 - 501 Ma Cambrian
Interval	Delamaran
Lithology	shale/"limestone", packstone, grainstone
Number of Collections	64
Number of Occurrences	247

Recorded Sample Locations

Location	Region	Stratigraphic Name
Col. 41144	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41172	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41174	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41175	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
41443	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41187	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41170 [Grassy Spring Mbr	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41150	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41191	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41205	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41156	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41158	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41207	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41200	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41203	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41152	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring
Collection 41153	Lincoln County, Nevada, USA	Pioche Shale - Grassy Spring

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Pioche Shale - Comet Shale	513 - 501 Ma Cambrian	limestone, "shale"	51
Pioche Shale - Log Cabin Shale	513 - 501 Ma Cambrian	mudstone, "limestone"/mudstone	57

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Corynexochida order	4	Animalia : Arthropoda : Trilobita : Corynexochida	513 - 501 Ma Cambrian
Poliella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Dolichometopidae : *Poliella*	513 - 501 Ma Cambrian
Dorypygidae family	5	Animalia : Arthropoda : Trilobita : Corynexochida : Dorypygidae	513 - 501 Ma Cambrian
Kootenia sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Dorypygidae : *Kootenia*	513 - 501 Ma Cambrian
Kootenia crassinucha species	7	Animalia : Arthropoda : Trilobita : Corynexochida : Dinesidae : Kootenia : *Kootenia crassinucha*	513 - 501 Ma Cambrian
Olenoides sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Dorypygidae : *Olenoides*	513 - 505 Ma Cambrian
Albertella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Albertella*	513 - 505 Ma Cambrian
Albertellina sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Albertellina*	513 - 505 Ma Cambrian
Albertelloides sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Albertelloides*	513 - 501 Ma Cambrian
Delamarella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Delamarella*	513 - 505 Ma Cambrian
Mexicaspis sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Mexicaspis*	513 - 501 Ma Cambrian
Paralbertella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Paralbertella*	513 - 501 Ma Cambrian
Ptarmiganoides sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Ptarmiganoides*	513 - 505 Ma Cambrian
Ursinella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Ursinella*	513 - 501 Ma Cambrian
Zacanthoides sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Zacanthoididae : *Zacanthoides*	513 - 501 Ma Cambrian
Pagetia resseri species	7	Animalia : Arthropoda : Trilobita : Agnostida : Eodiscidae : Pagetia : *Pagetia resseri*	513 - 501 Ma Cambrian
Amecephalites sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Amecephalites*	513 - 501 Ma Cambrian
Mexicella sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Mexicella*	513 - 505 Ma Cambrian
Mexicella mexicana species	7	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : Mexicella : *Mexicella mexicana*	513 - 505 Ma Cambrian
Onchocephalites sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Onchocephalites*	513 - 501 Ma Cambrian
Pachyaspis sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Pachyaspis*	513 - 501 Ma Cambrian
Palmerara sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Palmerara*	513 - 501 Ma Cambrian
Palmerara granosa species	7	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : Palmerara : *Palmerara granosa*	513 - 501 Ma Cambrian
Panacus sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Panacus*	513 - 505 Ma Cambrian
Plagiura sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Plagiura*	513 - 501 Ma Cambrian
Volocephalina sp. genus	6	Animalia : Arthropoda : Trilobita : Ptychopariida : Ptychopariidae : *Volocephalina*	513 - 505 Ma Cambrian

References

Eddy J. D., McCollum L. B. (1998) Early Middle Cambrian Albertella biozone trilobites of the Pioche Shale, southeastern Nevada, Journal of Paleontology 72 5, 864-887

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!