Also known as Allanella fauna

Where: Iowa (43.0° N, 93.0° W: paleocoordinates 32.6° S, 37.7° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Osage Springs Member (Lithograph City Formation), Late/Upper Givetian (380.2 - 382.7 Ma)

• Late Givetian, Strophodonta iowensis Zone.

• member-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal limestone and shelly/skeletal mudstone

Primary reference: J. Day. 1988. The brachiopod succession of the Late Givetian-Frasnian of Iowa. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada 303-325 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35485: authorized by Michael Foote, entered by Michael Foote on 17.12.2003

Creative Commons license: CC BY (attribution)