Where: St. Louis County, Missouri (38.6° N, 90.3° W: paleocoordinates 6.5° S, 26.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Higginsville Member (Fort Scott Formation), Desmoinesian (312.8 - 306.0 Ma)

• Just below Labette shale

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. B. Knight. 1930. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology Memoir 4(1):1-88 [P. Wagner/P. Wagner/B. Seuss]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69771: authorized by Pete Wagner, entered by Pete Wagner on 06.03.2007

Creative Commons license: CC BY (attribution)