Where: Delta County, Michigan (45.8° N, 87.1° W: paleocoordinates 20.3° S, 58.9° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Plectodina tenuis conodont zone, Chandler Falls Formation, Rocklandian to Rocklandian (457.3 - 449.6 Ma)
• Plectodina tenuis zone according to Larowe 2000. Was put in "Limestone" member, but there are no member divisions and most of the formation is argillaceous limestone.
• member-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Reposited in the AMNH, UMMP
Primary reference: E.C. Stumm and E.G. Kauffman. 1958. Calymenid trilobites from the Ordovician rocks of Michigan. Journal of Paleontology 32(5):943-960 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 75949: authorized by Pete Wagner, entered by Pete Wagner on 06.11.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria, Flexicalymene magnipapilla n. sp.
"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria Conrad 1841 trilobite
Flexicalymene magnipapilla n. sp. Stumm and Kauffman 1958 trilobite |