Where: South Dakota (44.1° N, 103.3° W: paleocoordinates 13.0° N, 26.1° W)

When: Minnekahta Limestone Formation, Kungurian to Kungurian (279.3 - 268.8 Ma)

• early to middle Permian (Cisuralian to Guadalupian; late Kungurian to early Roadian) based on age of the Minnekahta Limestone. Specimens found 35 feet below the top of the formation

Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: L. Hussakof. 1916. Note on a palaeoniscid fish from a Permian formation in South Dakota. American Journal of Science 41:347-350 [J. Flannery-Sutherland/J. Flannery-Sutherland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233151: authorized by Joseph Flannery-Sutherland, entered by Joseph Flannery-Sutherland on 15.01.2024

Creative Commons license: CC BY (attribution)