Where: Macoupin County, Illinois (39.3° N, 90.1° W: paleocoordinates 6.0° S, 25.8° W)
• outcrop-level geographic resolution
When: St. Davids Limestone Member (Carbondale Formation), Desmoinesian (312.8 - 306.0 Ma)
• Originally given as Springfield Coal Member
• group of beds-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Primary reference: F. B. Meek and A. H. Worthen. 1866. Descriptions of invertebrates from the Carboniferous System, Illinois. Geological Survey of Illinois 2:145-411 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 155332: authorized by Pete Wagner, entered by Pete Wagner on 08.04.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Anomphalus rotulus n. gen. n. sp.
Anomphalus rotulus n. gen. n. sp. Meek and Worthen 1867 snail | |
"Pleurotomaria subconstricta n. sp." = Baylea subconstricta
"Pleurotomaria subconstricta n. sp." = Baylea subconstricta Meek and Worthen 1860 snail |