Also known as Protomegastrophia-Atrypa Community, upper Scotch Grove Fm., Jones Co., Iowa
Where: Iowa (42.1° N, 91.0° W: paleocoordinates 23.0° S, 53.5° W)
• 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 Trilobites not listed here are covered by Mikulik (1979--unpublished PhD diss.), and nautiloids have not yet been studied.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: CC BY (attribution)