Where: Sauk County, Wisconsin (43.4° N, 89.7° W: paleocoordinates 21.8° S, 80.5° W)
• outcrop-level geographic resolution
When: Jordan Sandstone Formation, Trempealeauan (492.5 - 485.4 Ma)
• Given as Potsdam
• formation-level stratigraphic resolution
Environment/lithology: marine; sandstone
Size class: macrofossils
Preservation: cast
Primary reference: A. Winchell. 1864. Notice of a small collection of fossils from the Potsdam Sandstone of Wisconsin and the Lake Superior Sandstone of Michigan. The American Journal of Science 37(110):226-232 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 154375: authorized by Pete Wagner, entered by Pete Wagner on 18.02.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"? Pleurotomaria advena n. sp." = Sinuopea advena, "Straparollus (Ophileta) primordialis n. sp." = Schizopea primordialis
"? Pleurotomaria advena n. sp." = Sinuopea advena Winchell 1864 snail
"Straparollus (Ophileta) primordialis n. sp." = Schizopea primordialis Winchell 1864 snail |