Also known as Dimerocrinites (D.) sculptus Association

Where: Iowa (41.9° N, 90.9° W: paleocoordinates 21.1° S, 56.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Welton Member (Scotch Grove Formation), Telychian (438.5 - 433.4 Ma)

• Welton Member, approximate middle part of Scotch Grove Formation.

• member-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; dolomitic, shelly/skeletal wackestone and dolomitic, shelly/skeletal packstone

Collection methods: Abundances given in Table 50.3. Echinoderms, which dominate the community, come from table 45.25 (Frest et al. 1999, PBDB ref. 4379).

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 24968: authorized by Michael Foote, entered by Michael Foote on 23.08.2002

Creative Commons license: CC BY (attribution)