Cedaria Zone, Eau Claire Fm., Wisconsin (Cambrian of the United States)

Where: Wisconsin (44.5° N, 89.6° W: paleocoordinates 20.9° S, 82.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cedaria zone, Eau Claire Formation, Guzhangian (500.5 - 497.0 Ma)

• Dresbachian Stage

Environment/lithology: transition zone or lower shoreface; siliciclastic sediments

• a fine- to coarsegrained siliciclastic unit representing restricted, inner-shelf

•marine palaeoenvironments (Aswasereelert et al. 2008).

Size classes: macrofossils, mesofossils

Primary reference: L. Babcock, M. Baranoski, and E. Cook. 2014. Cambrian (Guzhangian Stage) trilobites from Ohio, USA, and modification of the Cedaria Zone as used in Laurentia. GFF - Geological Society of Sweden 136(1):6-15 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157538: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 23.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• "W.H.Twenhofel, G.O.Raasch, F.T.Thwaites. 1935. Cambrian strata of Wisconsin. GSA Bull. 46:1687-1744."
Trilobita
 Redlichiida - Agraulidae
"Cedaria woosteri" = Agraulos woosteri
"Cedaria woosteri" = Agraulos woosteri Whitfield 1878 trilobite