Also known as Protomegastrophia-Atrypa Community, upper Scotch Grove Fm., Jones Co., Iowa

Where: Iowa (42.1° N, 91.0° W)

• Paleocoordinates: 27.3° S, 91.5° W (Wright 2013)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pallisades-Kepler Member (Scotch Grove Formation), Wenlock (433.4 - 427.4 Ma)

• "early or mid Wenlockian"

• member-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; shelly/skeletal wackestone and shelly/skeletal carbonate

Size class: macrofossils

Collection methods: Includes taxa listed (with abundances) in table 50.10 as well as others mentioned in text. Trilobites not listed here are covered by Mikulik (1979--unpublished PhD diss.), and nautiloids have not yet been studied.

Primary reference: B. J. Witzke and M. E. Johnson. 1999. Silurian brachiopod and related benthic communities from carbonate platform and mound environments of Iowa and surrounding areas. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 806-840 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 25032: authorized by Michael Foote, entered by Michael Foote on 26.08.2002

Creative Commons license: CC0 (CC0)