Also known as Locality #2; W.M. 594
Where: Randolph County, Illinois (38.1° N, 90.0° W: paleocoordinates 12.1° S, 31.6° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Gnathodus bilineatus - Cavusgnathus altus conodont zone, Beech Creek Formation (Okaw Group), Chesterian (335.5 - 323.2 Ma)
• Hombergian substage
• formation-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Reposited in the FMNH
Primary reference: M.L. Thein and M.H. Nitecki. 1974. Chesterian (Upper Mississippian) Gastropoda of the Illinois basin. Fieldiana: Geology, New Series 34:1-238 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 58997: authorized by Pete Wagner, entered by Pete Wagner on 03.03.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
| Gastropoda | |
"Straparollus (Euomphalus) planidorsatus" = Euomphalus planodorsatus
"Straparollus (Euomphalus) planidorsatus" = Euomphalus planodorsatus Meek and Worthen 1860 snail | |
|
Donaldina marigoldensis Thein and Nitecki 1974 snail | |
"Platyceras (Orthonychia) chesterense" = Orthonychia chesterense
"Platyceras (Orthonychia) chesterense" = Orthonychia chesterense Meek and Worthen 1867 snail var. 1 & var. 3
| |
|
Euphemites randolphensis Weller 1920 snail | |
Bellerophon (Bellerophon) chesterensis, Patellilabia chesterensis, Knightites (Retispira) ornatus, "Knightites (Cymatospira) welleri" = Cymatospira welleri
Bellerophon (Bellerophon) chesterensis Weller 1920 snail
Patellilabia chesterensis Thein and Nitecki 1974 snail
Knightites (Retispira) ornatus Weller 1920 snail
"Knightites (Cymatospira) welleri" = Cymatospira welleri Thein and Nitecki 1974 snail | |
|
Eotrochus marigoldensis Thein and Nitecki 1974 snail | |
"Yochelsonospira pagoda n. gen. n. sp." = Yochelsonospira tenuilineata
"Yochelsonospira pagoda n. gen. n. sp." = Yochelsonospira tenuilineata Girty 1929 snail | |