Where: Missouri (38.8° N, 91.9° W: paleocoordinates 34.5° S, 39.5° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Synder Creek Shale Formation, Frasnian (383.7 - 376.1 Ma)
• Senecan series, Chemung stage (local).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, calcareous shale and limestone
Collection methods: Original collecting localities flooded by damn, these specimens examined from museum collection.
Primary reference: A. L. McAlester. 1963. Pelecypods of the Snyder Creek Shale (Upper Devonian) of Missouri. Journal of Paleontology 37(5):981-999 [J. Alroy/M. Sommers/J. Alroy] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 3951: authorized by John Alroy, entered by Mike Sommers on 12.08.1999
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)