Where: Stephens County, Texas (32.5° N, 98.9° W: paleocoordinates 6.0° S, 33.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wayland Formation (Graham Group), Virgilian (303.4 - 298.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Primary reference: R. L. Batten. 1984. The Calcitic Wall in the Paleozoic Families Euomphalidae and Platyceratidae (Archeogastropoda). Journal of Paleontology 58(5):1186-1192 [L. Ivany/P. Wall/P. Wagner]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 75147: authorized by Linda Ivany, entered by Patrick Wall on 25.09.2007

Creative Commons license: CC BY (attribution)