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Clear Fork - Vale, Texas, USA

Group	Clear Fork
Formation	Vale
Member(s)	Bullwagon
Age:	279 - 268 Ma Permian
Interval	Sakmarian - Kungurian
Lithology	sandstone, "shale", conglomerate, conglomerate/"siliciclastic", "siliciclastic", sandstone/siltstone, siltstone/sandstone, siltstone/claystone
Number of Collections	16
Number of Occurrences	67

Recorded Sample Locations

Location	Region	Stratigraphic Name
Stamford	Jones County, Texas, USA	Clear Fork - Vale
Lawn	Taylor County, Texas, USA	Clear Fork - Vale
Locality KD	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality KF	Knox County, Texas, USA	Clear Fork - Vale
Locality KI	Knox County, Texas, USA	Clear Fork - Vale
Olson Locality Bac	Baylor County, Texas, USA	Clear Fork - Vale
Fish Creek	Baylor County, Texas, USA	Clear Fork - Vale
Locality KB	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality KC	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality KE	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality KG	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality KH	Knox County, Texas, USA	Clear Fork - Vale
Crooked Creek	Baylor County, Texas, USA	Clear Fork - Vale
Vale site 1919	Foard County, Texas, USA	Clear Fork - Vale
Locality KA	Knox County, Texas, USA	Clear Fork - Vale - "Bullwagon"
Locality BR	Baylor County, Texas, USA	Clear Fork - Vale
Table Top Mountain	Baylor County, Texas, USA	Clear Fork - Vale
Blackwood Locality	Taylor County, Texas, USA	Clear Fork - Vale
Stamford Locality	Haskell County, Texas, USA	Clear Fork - Vale

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Clear Fork - Arroyo	279 - 272 Ma Permian	shale, claystone, claystone/sandstone, sandstone	169
Clear Fork - Arroyo or Vale	279 - 272 Ma Permian	siltstone	1

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Calamites sp. genus	6	Plantae : Tracheophyta : Polypodiopsida : Equisetales : Calamitaceae : *Calamites*	295.5 - 272.3 Ma Permian
Gigantopteris sp. genus	6	Gigantopteridaceae : *Gigantopteris*	295.5 - 272.3 Ma Permian
Pecopteris sp. genus	6	Plantae : Tracheophyta : Polypodiopsida : Marattiales : Asterothecaceae : *Pecopteris*	295.5 - 272.3 Ma Permian
Sandrewia texana species	7	Sandrewia : *Sandrewia texana*	295.5 - 272.3 Ma Permian
Xenacanthus sp. genus	6	Animalia : Chordata : Chondrichthyes : Xenacanthiformes : Xenacanthidae : *Xenacanthus*	279.3 - 272.3 Ma Permian
Brachydectes elongatus species	7	Animalia : Chordata : Osteichthyes : Caudata : Cocytinidae : Brachydectes : *Brachydectes elongatus*	290.1 - 279.3 Ma Permian
Casea nicholsi species	7	Animalia : Chordata : Osteichthyes : Cotylosauria : Caseidae : Casea : *Casea nicholsi*	279.3 - 272.3 Ma Permian
Diadectes sp. genus	6	Animalia : Chordata : Osteichthyes : Cotylosauria : Diadectidae : *Diadectes*	279.3 - 272.3 Ma Permian
Edaphosauridae family	5	Animalia : Chordata : Osteichthyes : Cotylosauria : Edaphosauridae	279.3 - 272.3 Ma Permian
Edaphosaurus sp. genus	6	Animalia : Chordata : Reptilia : Edaphosauridae : *Edaphosaurus*	279.3 - 272.3 Ma Permian
Dimetrodon sp. genus	6	Animalia : Chordata : Reptilia : Sphenacodontidae : *Dimetrodon*	279.3 - 272.3 Ma Permian
Dimetrodon gigashomogenes species	7	Animalia : Chordata : Reptilia : Sphenacodontidae : Dimetrodon : *Dimetrodon gigashomogenes*	279.3 - 272.3 Ma Permian
Lysorophus sp. genus	6	Animalia : Chordata : Osteichthyes : Lysorophia : *Lysorophus*	279.3 - 272.3 Ma Permian
Lysorophus tricarinatus species	7	Animalia : Chordata : Osteichthyes : Lysorophia : Lysorophus : *Lysorophus tricarinatus*	279.3 - 272.3 Ma Permian
Gymnarthridae family	5	Animalia : Chordata : Osteichthyes : Microsauria : Gymnarthridae	279.3 - 272.3 Ma Permian
Diplocaulus sp. genus	6	Animalia : Chordata : Osteichthyes : Diplocaulidae : *Diplocaulus*	279.3 - 272.3 Ma Permian
Diplocaulus magnicornis species	7	Animalia : Chordata : Osteichthyes : Diplocaulidae : Diplocaulus : *Diplocaulus magnicornis*	279.3 - 272.3 Ma Permian
Diplocaulus primus species	7	Animalia : Chordata : Osteichthyes : Diplocaulidae : Diplocaulus : *Diplocaulus primus*	279.3 - 272.3 Ma Permian
Diplocaulus recurvatus species	7	Animalia : Chordata : Osteichthyes : Diplocaulidae : Diplocaulus : *Diplocaulus recurvatus*	279.3 - 272.3 Ma Permian
Gnathorhiza sp. genus	6	Animalia : Chordata : Osteichthyes : Gnathorhizidae : *Gnathorhiza*	279.3 - 272.3 Ma Permian
Gnathorhiza dikeloda species	7	Animalia : Chordata : Osteichthyes : Gnathorhizidae : Gnathorhiza : *Gnathorhiza dikeloda*	279.3 - 272.3 Ma Permian
Gnathorhiza serrata species	7	Animalia : Chordata : Osteichthyes : Gnathorhizidae : Gnathorhiza : *Gnathorhiza serrata*	279.3 - 272.3 Ma Permian
Seymouria grandis species	7	Animalia : Chordata : Osteichthyes : Seymouriidae : Seymouria : *Seymouria grandis*	279.3 - 272.3 Ma Permian
Waggoneria knoxensis species	7	Animalia : Chordata : Osteichthyes : Waggoneriidae : Waggoneria : *Waggoneria knoxensis*	279.3 - 272.3 Ma Permian
Cacops aspidephorus species	7	Animalia : Chordata : Osteichthyes : Temnospondyli : Dissorophidae : Cacops : *Cacops aspidephorus*	279.3 - 272.3 Ma Permian
Eryops megacephalus species	7	Animalia : Chordata : Osteichthyes : Temnospondyli : Eryopidae : Eryops : *Eryops megacephalus*	279.3 - 272.3 Ma Permian
Trimerorhachis sp. genus	6	Animalia : Chordata : Osteichthyes : Temnospondyli : Trimerorhachidae : *Trimerorhachis*	279.3 - 272.3 Ma Permian
Trimerorhachis insignis species	7	Animalia : Chordata : Osteichthyes : Temnospondyli : Trimerorhachidae : Trimerorhachis : *Trimerorhachis insignis*	279.3 - 272.3 Ma Permian
Trimerorhachis mesops species	7	Animalia : Chordata : Osteichthyes : Temnospondyli : Trimerorhachidae : Trimerorhachis : *Trimerorhachis mesops*	290.1 - 268 Ma Permian
Reptilia class	3	Animalia : Chordata : Reptilia	279.3 - 272.3 Ma Permian
Captorhinikos chozaensis species	7	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : Captorhinikos : *Captorhinikos chozaensis*	279.3 - 272.3 Ma Permian
Captorhinikos valensis species	7	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : Captorhinikos : *Captorhinikos valensis*	279.3 - 272.3 Ma Permian
Captorhinoides valensis species	7	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : Captorhinoides : *Captorhinoides valensis*	279.3 - 272.3 Ma Permian
Captorhinus sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : *Captorhinus*	279.3 - 272.3 Ma Permian
Captorhinus aguti species	7	Animalia : Chordata : Reptilia : Captorhinidae : Captorhinus : *Captorhinus aguti*	279.3 - 272.3 Ma Permian
Labidosaurikos sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : *Labidosaurikos*	279.3 - 272.3 Ma Permian
Labidosaurikos meachami species	7	Animalia : Chordata : Reptilia : Captorhinidae : Labidosaurikos : *Labidosaurikos meachami*	279.3 - 272.3 Ma Permian
Labidosaurus sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Captorhinidae : *Labidosaurus*	279.3 - 272.3 Ma Permian
Labidosaurus hamatus species	7	Animalia : Chordata : Reptilia : Captorhinidae : Labidosaurus : *Labidosaurus hamatus*	279.3 - 272.3 Ma Permian
Moradisaurinae subfamily	5.3	Animalia : Chordata : Reptilia : Captorhinidae : Moradisaurinae	279.3 - 272.3 Ma Permian
Taeniopteris sp. genus	6	Plantae : Tracheophyta : Cycadopsida : Cycadales : Crossozamiaceae : *Taeniopteris*	295.5 - 272.3 Ma Permian

References

Olson E. C. (1948) A Preliminary Report on Vertebrates from the Permian Vale Formation of Texas, Journal of Geology 56, 186-198

Olson E. C. (1951) Fauna of upper Vale and Choza: 1-5, Fieldiana: Geology 10 11, 89-128

Olson E. C. (1952) Fauna of the upper Vale and Choza: 6. Diplocaulus, Fieldiana: Geology 10 14, 147-166

Olson E. C. (1954) Fauna of the Vale and Choza: 8. Pelycosauria: Dimetrodon, Fieldiana: Geology 10 18, 205-210

Olson E. C. (1954) Fauna of the Vale and Choza: 9. Captorhinomorpha, Fieldiana: Geology 10 19, 211-218

Olson E. C. (1954) Fauna of the Vale and Choza: 7. Pelycosauria: family Caseidae, Fieldiana: Geology 10 17, 193-204

Olson E. C. (1955) Fauna of the Vale and Choza: 10. Trimerorhachis: Including a Revison of Pre-Vale Species, Fieldiana: Geology 10 21, 225-274

Olson E. C. (1956) Fauna of the Vale and Choza: 13. Diadectes, Xenacanthus, and specimens of uncertain affinities, Fieldiana: Geology 10 27, 329-334

Olson E. C. (1958) Fauna of the Vale and Choza: Summary, Review, and Integration of the Geology and the Faunas, Fieldiana Geology 10 32, 397-448

Fox R. C., Bowman M. C. (1966) Osteology and Relationships of Captorhinus aguti (Cope) (Reptilia: Captorhinomorpha), The University of Kansas Paleontological Contributions, Series Vertebrata 11, 1-79

Olson E. C., Bolles K. (1975) Permo-Carboniferous Fresh Water Burrows, Fieldiana: Geology 33 15, 271-290

Mamay S. H. (1975) Sandrewia, n. gen., a problematical plant from the Lower Permian of Texas and Kansas, Review of Palaeobotany and Palynology 20, 75-83

Mamay S. H. (1976) Paleozoic origin of the cycads, U.S. Geological Survey Professional Paper 934

Haglund T. R. (1977) New Occurences and Paleoecology of Peronedon primus Olson (Nectridea), Journal of Paleontology 51 5, 982-985

Olson E. C. (1979) Seymouria grandis n. sp. (Batrachosauria: Amphibia) from the Middle Clear Fork (Permian) of Oklahoma and Texas, Journal of Paleontology 53 3, 720-728

Olson E. C., Mead J. G. (1982) The Vale Formation (Lower Permian): Its Vertebrates and Paleoecology, Texas Memorial Museum Bulletin 29

Milner A. R. (1985) On the identity of Trematopsis seltini (Amphibia: Temnospondyli) from the Lower Permian of Texas, Neues Jahrbuch fuer Geologie und Palaeontologie. Monatshefte, Stuttgart : E. Schweizerbart'sche Verlagsbuchhandlung 1985 6, 357-367

Mamay S. H. (1986) New species of Gigantopteridaceae, Phytologia 61, 311-315

Wellstead C. F. (1991) Taxonomic revision of the Lysorophia, Permo-Carboniferous lepospondyl amphibians, Bulletin of the American Museum of Natural History 209, 1-90

Modesto S., Flear V. J., et al (2016) A large moradisaurine tooth plate from the Lower Permian of Texas and its biostratigraphic implications 36 6, e1221832 doi:10.1080/02724634.2016.1221832

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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