Where: Shannon County, Missouri (37.4° N, 91.0° W: paleocoordinates 22.8° S, 87.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Eminence Formation, Trempealeauan (492.5 - 485.4 Ma)
• Given as Rasettia magna, but every other source puts that in the lower Potosi formation.
• formation-level stratigraphic resolution
Environment/lithology: dolomite
Size class: macrofossils
Preservation: cast
Collected by E. O. Ulrich & Party in 1925
Primary reference: J., J.r. Pojeta, M. J. Vendrasco, and G. Darrough. 2010. Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri, USA. Bulletins of American Paleontology (379)1-182 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 98344: authorized by Pete Wagner, entered by Pete Wagner on 01.10.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Dirhachopea subrotunda" = Schizopea subrotunda, Schizopea typica
"Dirhachopea subrotunda" = Schizopea subrotunda Ulrich et al. 1931 snail
Schizopea typica Ulrich et al. 1931 snail | |
Polyplacophora | |
"Preacanthochiton depressus" = Chelodes
"Preacanthochiton depressus" = Chelodes chiton |