Where: Noble County, Oklahoma (36.2° N, 97.3° W: paleocoordinates 1.6° N, 27.1° W)
• coordinate stated in text
When: Wellington Formation (Sumner Group), Artinskian (290.1 - 279.3 Ma)
• "about 100 feet below the contact of the Wellington and the Garber formations" Olson (1970 p. 360). The Artinskian age of the Wellington Fm. given here is taken from Mazzullo (1995, in Scholle et al. (eds.) The Permian of Northern Pangaea vol. II)
Environment/lithology: terrestrial; gray claystone and concretionary, sandy ironstone
Size class: macrofossils
Preservation: concretion
Collection methods: surface (float),
• "collecting has been almost entirely from the surface" Olson (1967 p. 45)
Primary reference: E. C. Olson. 1967. Early Permian Vertebrates. Oklahoma Geological Survey Circular 74:1-111 [J. Mueller/T. Liebrecht/T. Liebrecht]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 79402: authorized by Johannes Mueller, entered by Jana Dummasch on 07.03.2008, edited by Torsten Liebrecht
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
Archeria sp. Case 1918 tetrapod | |
Reptilia | |
Protocaptorhinus pricei2 Clark and Carroll 1973 eureptile KU 351a (type), 351b; OUSM 3-0-S19 (15021 in Olson, 1984); FMNH UC 676 (PR 678 in Olson, 1984)
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Osteichthyes | |
"Lysorophus tricarinatus" = Brachydectes newberryi
"Lysorophus tricarinatus" = Brachydectes newberryi Cope 1868 amniote | |
Dimetrodon sp. Cope 1878 synapsid | |
Edaphosaurus sp. Cope 1882 synapsid | |
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Amphibia | |
Trimerorhachis insignis Cope 1878 tetrapod "about 1% of the total assemblage" prior to collection of additional material of P. brachycoelus (!)
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Eryops megacephalus Cope 1877 tetrapod | |
Crossotelos annulatus n. gen. n. sp.
Crossotelos annulatus n. gen. n. sp. Case 1902 tetrapod "only slightly less abundant than D. magnicornis"
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Diplocaulus magnicornis Cope 1882 tetrapod "about 45% of all remains" prior to collection of additional material of P. brachycoelus (!)
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Osteichthyes | |
Gnathorhiza cf. serrata Cope 1883 lungfish | |
Sphaerolepis arctata Cope 1877 | |
Chondrichthyes | |
Xenacanthus sp. Beyrich 1848 elasmobranch |