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Barnett, Texas, USA

Formation	Barnett
Member(s)	Folks
Age:	331 - 323 Ma Carboniferous
Interval	Serpukhovian
Lithology	limestone, sandstone
Number of Collections	9
Number of Occurrences	14

Recorded Sample Locations

Location	Region	Stratigraphic Name
Outcrop near Chappel	San Saba County, Texas, USA	Barnett
B.E.G. 205-T-24 upper	San Saba County, Texas, USA	Barnett
5 miles west of Lampasas	Lampasas County, Texas, USA	Barnett
B.E.G. 140-T-1	Burnet County, Texas, USA	Barnett
B.E.G. 205-T-24 lower	San Saba County, Texas, USA	Barnett
B.E.G. 140-T-5	Burnet County, Texas, USA	Barnett
B.E.G. 140-T-3	Burnet County, Texas, USA	Barnett
Llano River near Camp Walton	Kimble County, Texas, USA	Barnett
00TXCU-21a	Culberson County, Texas, USA	Barnett - Folks

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Barnett - Folks	326 - 318 Ma Carboniferous	shale, mudstone, packstone	17

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Caneyella wapanuckensis species	7	Animalia : Mollusca : Bivalvia : Ostreida : Pterineidae : Caneyella : *Caneyella wapanuckensis*	326.4 - 318.1 Ma Carboniferous
Cravenoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Cravenoceratidae : *Cravenoceras*	326.4 - 318.1 Ma Carboniferous
Choctawites choctawensis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Delepinoceratidae : Choctawites : *Choctawites choctawensis*	330.9 - 323.2 Ma Carboniferous
Choctawites cumminsi species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Delepinoceratidae : Choctawites : *Choctawites cumminsi*	336 - 326.4 Ma Carboniferous
Eumorphoceras bisulcatum species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Girtyoceratidae : Eumorphoceras : *Eumorphoceras bisulcatum*	330.9 - 323.2 Ma Carboniferous
Girtyoceras hamiltonense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Girtyoceratidae : Girtyoceras : *Girtyoceras hamiltonense*	336 - 326.4 Ma Carboniferous
Girtyoceras meslerianum species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Girtyoceratidae : Girtyoceras : *Girtyoceras meslerianum*	339.4 - 336 Ma Carboniferous
Tumulites varians species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Girtyoceratidae : Tumulites : *Tumulites varians*	326.4 - 318.1 Ma Carboniferous
Fayettevillea sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : *Fayettevillea*	326.4 - 318.1 Ma Carboniferous
Paracravenoceras barnettense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Paracravenoceras : *Paracravenoceras barnettense*	330.9 - 323.2 Ma Carboniferous
Paracravenoceras ozarkense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Paracravenoceras : *Paracravenoceras ozarkense*	326.4 - 318.1 Ma Carboniferous
Richardsonites richardsonianus species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Richardsonites : *Richardsonites richardsonianus*	330.9 - 323.2 Ma Carboniferous
Stenoglaphyrites incisus species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Stenoglaphyrites : *Stenoglaphyrites incisus*	330.9 - 323.2 Ma Carboniferous
Syngastrioceras scotti species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Glaphyritidae : Syngastrioceras : *Syngastrioceras scotti*	326.4 - 318.1 Ma Carboniferous
Goniatites eganensis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Goniatitidae : Goniatites : *Goniatites eganensis*	336 - 326.4 Ma Carboniferous
Goniatites multiliratus species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Goniatitidae : Goniatites : *Goniatites multiliratus*	336 - 326.4 Ma Carboniferous
Cluthoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Muensteroceratidae : *Cluthoceras*	326.4 - 318.1 Ma Carboniferous
Neoglyphioceras entogonum species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Neoglyphioceratidae : Neoglyphioceras : *Neoglyphioceras entogonum*	339.4 - 336 Ma Carboniferous
Pachylyroceras cloudi species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Neoglyphioceratidae : Pachylyroceras : *Pachylyroceras cloudi*	336 - 326.4 Ma Carboniferous
Pachylyroceras newsomi species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Neoglyphioceratidae : Pachylyroceras : *Pachylyroceras newsomi*	339.4 - 336 Ma Carboniferous

References

Plummer F. B., Scott G. (1937) Upper Paleozoic ammonites in Texas, The University of Texas Bulletin 3701, 1-516

Titus A. L., Korn D., et al (2015) Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA, Fossil Record 18, 81-104

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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