ammonites
Gunsight, Wayland Shale, Stephens ( of the United States)

Where: Stephens County, Texas (32.5° N, 98.9° W: paleocoordinates 6.2° S, 33.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wayland Formation (Graham Group), Virgilian (303.4 - 295.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Primary reference: R. M. Jeffords. 1947. Pennsylvanian lophophyllidid corals. University of Kansas Paleontological Contributions, Coelenterata 1:1-84 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71498: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.04.2007