Where: Blue Earth County, Minnesota (37.7° N, 84.8° W: paleocoordinates 27.4° S, 63.5° W)
• outcrop-level geographic resolution
When: Perryville Member (Lexington Formation), Franklinian (457.3 - 449.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the USNM
Primary reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 154416: authorized by Pete Wagner, entered by Pete Wagner on 19.02.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
| Gastropoda | |
|
Holopea parvula Ulrich and Scofield 1897 snail | |
"Bucania nana n. sp." = Sphenosphaera nana, Sphenosphaera burginensis1, "Bellerophon (Bellerophon) subpatula n. sp." = Sphenosphaera subpatula2
"Bucania nana n. sp." = Sphenosphaera nana Ulrich and Scofield 1897 snail
"Bellerophon (Bellerophon) subpatula n. sp." = Sphenosphaera subpatula2 Ulrich and Scofield 1897 snail | |
|
Bucania sublata Ulrich and Scofield 1897 snail
Bucania subangulata Ulrich and Scofield 1897 snail
Bucania rugatina Ulrich and Scofield 1897 snail | |