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Bloyd - Brentwood, Washington County, Arkansas, USA

Formation	Bloyd
Member	Brentwood
Age:	318 - 315 Ma Carboniferous
Interval	Morrowan
Lithology	grainstone, "shale"
Number of Collections	2
Number of Occurrences	13

Recorded Sample Locations

Location	Region	Stratigraphic Name
Kessler Mountain	Washington County, Arkansas, USA	Bloyd - Brentwood
Arnett	Washington County, Arkansas, USA	Bloyd - Brentwood

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Anthracospirifer sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spiriferidae : *Anthracospirifer*	318.1 - 314.6 Ma Carboniferous
Linoproductus sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Linoproductidae : *Linoproductus*	318.1 - 314.6 Ma Carboniferous
Tesuquea sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Productidae : *Tesuquea*	318.1 - 314.6 Ma Carboniferous
Pentremites sp. genus	6	Animalia : Echinodermata : Pentremitidae : *Pentremites*	318.1 - 314.6 Ma Carboniferous
Metadimorphoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Dimorphoceratidae : *Metadimorphoceras*	318.1 - 314.6 Ma Carboniferous
Cancelloceras huntsvillense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Gastrioceratidae : Cancelloceras : *Cancelloceras huntsvillense*	318.1 - 314.6 Ma Carboniferous
Syngastrioceras globosum species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Syngastrioceras : *Syngastrioceras globosum*	318.1 - 314.6 Ma Carboniferous
Cymoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Neodimorphoceratidae : *Cymoceras*	318.1 - 314.6 Ma Carboniferous
Verneuilites pygmaeus species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Reticuloceratidae : Verneuilites : *Verneuilites pygmaeus*	318.1 - 314.6 Ma Carboniferous
Pseudopronorites quinni species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Pronoritidae : Pseudopronorites : *Pseudopronorites quinni*	318.1 - 314.6 Ma Carboniferous
Virgaspongia ichnata species	7	Animalia : Porifera : Anthaspidellidae : Virgaspongia : *Virgaspongia ichnata*	318.1 - 314.6 Ma Carboniferous
Haplistion sphaericum species	7	Animalia : Porifera : Demospongea : Spirosclerophorida : Haplistiidae : Haplistion : *Haplistion sphaericum*	318.1 - 314.6 Ma Carboniferous
Stioderma hadra species	7	Animalia : Porifera : Hexactinellida : Amphidiscosida : Stiodermatidae : Stioderma : *Stioderma hadra*	318.1 - 314.6 Ma Carboniferous

References

Manger W. L., Saunders W. B. (1980) Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent, Paleontological Society Memoir 10, 1-56

Rigby J. K., Manger W. L. (1994) Morrowan lithistid demosponges and hexactinellids from the Ozark Mountains of northwestern Arkansas, Journal of Paleontology 68 4, 734-746

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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