ammonites
Loc. 13497, Tarkio LS member, Zeandale LS Fm (Carboniferous of the United States)

Where: Riley County, Kansas (39.1° N, 96.4° W: paleocoordinates 1.5° S, 28.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tarkio Limestone Member (Zeandale Limestone Formation), Noginian (301.2 - 300.2 Ma)

• Noginskian is equivalent to the Virgilian stage

• member-level stratigraphic resolution

Environment/lithology: marine; limestone

Primary reference: M. R. Mudge, E. L. Yochelson, R. C. Douglas, H. Duncan, H. L. Strimple, M. Gordon, Jr., and D. H. Dunkle. 1962. Stratigraphy and Paleontology of the Uppermost Pennsylvanian and Lowermost Permian Rocks in Kansas. United States Geological Survey Professional Paper 323:1-213 [A. Miller/C. Ferguson/P. Wagner] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11507: authorized by Arnold Miller, entered by Chad Ferguson on 17.08.2001