Where: Lee County, illinois (41.9° N, 89.4° W: paleocoordinates 22.0° S, 63.6° W)
• coordinate stated in text
• hand sample-level geographic resolution
When: Diplograptus foliaceus graptolite zone, Mifflin Member (Platteville Formation), Sandbian (458.4 - 453.0 Ma)
• base of "Mifflin Member, Platteville Formation, 2 m above the Pecatonica Member." "(Diplograptus foliaceous Biozone, Turinian regional Stage, Sandbian"
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified lime mudstone and lithified, dolomitic, nodular wackestone
•wavy, nodular beds containing a diverse, abundant, and well-preserved invertebrate fauna"
Size class: macrofossils
Collection methods: "the University of Illinois Paleontological Collections, USA (ISGS 1017–1020)"
Primary reference: J. O. R. Ebbestad, D. R. Kolata, and M. Isakar. 2021. New onychochilid mollusks from the Middle and Upper Ordovician of Baltica and Laurentia. Journal of Paleontology 95(1):106-122 [P. Novack-Gottshall/P. Novack-Gottshall]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 216909: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 30.12.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
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