9.6 km south of Crescent (Permian of the United States)

Where: Logan County, Oklahoma (35.9° N, 97.6° W: paleocoordinates 3.5° N, 26.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hennessey Group, Kungurian (279.3 - 272.3 Ma)

• Fairmont Shale

Environment/lithology: terrestrial; siltstone

Size class: macrofossils

Collected by Olson; reposited in the FMNH

Collection methods: surface (in situ),

Primary reference: E. C. Olson. 1979. Seymouria grandis n. sp. (Batrachosauria: Amphibia) from the Middle Clear Fork (Permian) of Oklahoma and Texas. Journal of Paleontology 53(3):720-728 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181086: authorized by Richard Butler, entered by Emma Dunne on 19.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Seymouriamorpha - Seymouriidae
Seymouria grandis n. sp. Olson 1979 tetrapod
FMNH UR 1031 (Holotype: partial skull including posterior half of the dorsal platform, the brain case and part of the pterygoid. And one posterior cervical vertebra). UCLA VP3152 (fragments of skull and two inter- mediate cervical vertebrae)