Where: San Juan County, Utah (37.0° N, 110.1° W: paleocoordinates 8.0° N, 35.2° W)
• coordinate estimated from map
When: Organ Rock Shale Formation (Cutler Group), Artinskian (290.1 - 279.3 Ma)
• Found in the lower part of the Organ Rock Shale about 30 m above the contact with the Cedar Mesa Sandstone.
Environment/lithology: "channel"; lithified, fine-grained, red sandstone
Size class: macrofossils
Collected in 1964
Primary reference: P. P. Vaughn. 1966. Seymouria from the Lower Permian of Southeastern Utah, and Possible Sexual Dimorphism in That Genus. Journal of Paleontology 40(3):603-612 [J. Mueller/T. Liebrecht]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 218164: authorized by Bryan Gee, entered by Bryan Gee on 19.02.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
| Osteichthyes | |
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Seymouria sanjuanensis Vaughn 1966 tetrapod NTM VP 1033–1038, skeletons consisting of at least most of the vertebral column with ribs
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