Where: Arizona (31.4° N, 109.9° W: paleocoordinates 5.1° N, 37.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Colina Formation, Kungurian (279.3 - 272.3 Ma)

• Kungurian based on occurrence of Perrinites hilli

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the AMNH

Primary reference: R. L. Batten. 1989. Permian Gastropoda of the southwestern United States. 7. Pleurotomariacea: Eotomariidae, Lophospiriidae, Gosseletinidae. American Museum Novitates 2958:1-64 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81513: authorized by Matthew Clapham, entered by Matthew Clapham on 28.06.2008

Creative Commons license: CC BY (attribution)