Brachiopods of Osage Springs Mbr., Lithograph City Fm., N-C and E Iowa (Devonian of the United States)

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 (388.1 - 383.7 Ma)

• Late Givetian, Strophodonta iowensis Zone.

• member-level stratigraphic resolution

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

• Lithologies include shelly limestones, skeletal mudstones, and biostromal units.

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)

Taxonomic list

Strophomenata
 Orthotetida - Areostrophiidae
Floweria sp. Cooper and Dutro 1982
F. n. sp.
 Strophomenida - Strophodontidae
Rhynchonellata
 Athyridida - Athyrididae
 Spiriferida - Adolfiidae
 Atrypida - Atrypidae
"Independatrypa independensis" = Desquamatia (Independatrypa)
"Independatrypa independensis" = Desquamatia (Independatrypa)
 Orthida - Schizophoriidae
Schizophoria lata Stainbrook 1940