Where: Tennessee (35.8° N, 84.3° W: paleocoordinates 29.7° S, 70.2° W)
• coordinate based on political unit
• basin-level geographic resolution
When: Cahabagnathus sweeti conodont zone, Lenoir Formation, Chazyan (470.0 - 457.3 Ma)
• "M.Ord. Chazyan. NOT basal portion of Fm.".
•
•Also in Pygodus serra zone
Environment/lithology: offshore shelf; argillaceous lime mudstone
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 172825: authorized by Pete Wagner, entered by Pete Wagner on 26.08.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Liospira docens" = Raphistoma striatum
"Liospira docens" = Raphistoma striatum Emmons 1842 snail | |
"? Lophospira knoxvillensis n. sp." = Trochonemella knoxvillensis
"? Lophospira knoxvillensis n. sp." = Trochonemella knoxvillensis Ulrich and Scofield 1897 snail |