Where: McColloch County, Texas (31.5° N, 99.4° W: paleocoordinates 3.8° S, 32.2° W)

• coordinate based on nearby landmark

When: Saddle Creek ls Member (Harpersville Formation), Virgilian to Virgilian (303.4 - 295.0 Ma)

Environment/lithology: carbonate

Primary reference: W. Lee, C.O. Nickell, J.S. Williams and L.G. Henbest. 1938. Stratigraphic and Paleontologic Studies of the Pennsylvanian and Permian Rocks in North-Central Texas. The University of Texas Publication (3801) [M. Patzkowsky/M. Patzkowsky] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 1107: authorized by Tom Olszewski, entered by Tom Olszewski on 12.03.1999