Organ Rock Shale 2 (Permian of the United States)

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 by Bruce Bartholomew, David Berman, Timothy Brown, Thomas Kauffman in 24, 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 218163: authorized by Bryan Gee, entered by Bryan Gee on 19.02.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Seymouriamorpha - Seymouriidae
Seymouria sanjuanensis n. sp. Vaughn 1966 tetrapod
NTM VP 102 (holotype), skull; NTM VP 1023 (skull); NTM VP 1025, 1026 (impressions of skull roof); NTM VP 1027, pelvic and hindlimb; NTM VP 1028, manus; NTM VP 1029, presacral, sacral, caudal vertebrae, hindlimb; NTM VP 1030, caudal vertebrae; NTM VP 1031, shoulder girdle; NTM VP 1032, pelvis and hindlimb