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Waggoner Ranch Formation
Waggoner Ranch Formation
Stratigraphic range: Artinskian-Kungurian; ~290–268 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Unit of	Wichita Group
Underlies	Arroyo Formation
Overlies	Petrolia Formation
Lithology
Primary	Limestone
Other	Claystone
Location
Coordinates	34°00′N 99°00′W / 34.0°N 99.0°W
Approximate paleocoordinates	2°12′N 28°30′W / 2.2°N 28.5°W
Region	Texas
Country	United States
	Waggoner Ranch Formation (the United States) Waggoner Ranch Formation (Texas)

The Waggoner Ranch Formation is a geologic formation in northern Texas. It preserves fossils dating back to the Artinskian to Kungurian stages of the Permian period.^[1]

Fossil content

The following fossils have been uncovered from the formation:^[1]

Synapsids

Temnospondyls

Reptiles

Cotylosauria

Diadectes sideropelicus^[2]
Diadectes sp.^[2]

Amphibians

Diplocaulus sp.^[2]

References

^ ^a ^b Waggoner Ranch Formation at Fossilworks.org
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Romer, 1928
^ Williston, 1915
^ ^a ^b Romer & Price, 1940
^ Williston, 1914
^ Vaughn, 1955
^ ^a ^b ^c Fox & Bowman, 1966
^ Clark & Carroll, 1973
^ Heaton, 1979
^ Sumida et al., 2010

Bibliography

Sumida, S. S.; Dodick, J.; Metcalf, A.; Albright, G. (2010), "Reiszorhinus olsoni, a New Single-Tooth-Rowed Captorhinid Reptile from the Lower Permian of Texas", Journal of Vertebrate Paleontology, 30 (3): 704–714, Bibcode:2010JVPal..30..704S, doi:10.1080/02724631003758078
Heaton, M. J (1979), "Cranial Anatomy of Primitive Captorhinid Reptiles from the Late Pennsylvanian and Early Permian, Oklahoma and Texas", Oklahoma Geological Survey, Bulletin, 127: 1–83
Clark, J.; Carroll, R. L. (1973), "Romeriid Reptiles from the Lower Permian", Bulletin of the Museum of Comparative Zoology, 144: 353–407
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
Vaughn, P. P (1955), "The Permian reptile Araeoscelis restudied", Bulletin of the Museum of Comparative Zoology, 113: 305–467
Romer, A. S.; Price, L. I. (1940), "Review of the Pelycosauria", Geological Society of America Special Paper, Geological Society of America Special Papers, 28: 1–538, doi:10.1130/SPE28-p1
Romer, A. S (1928), "Vertebrate faunal horizons in the Texas Permo-Carboniferous red beds", University of Texas Bulletin, 2801: 67–108
Williston, S. W (1915), "New genera of Permian reptiles", The American Journal of Science, Series 4, 39 (233): 575–579, Bibcode:1915AmJS...39..575W, doi:10.2475/ajs.s4-39.233.575
Williston, S. W (1914), "Broiliellus, a new genus of amphibians from the Permian of Texas", Journal of Geology, 22 (1): 49–56, Bibcode:1914JG.....22...49W, doi:10.1086/622132