Brachiopods of Andalusia Mbr., Lithograph City Fm., E. Iowa (Devonian to of the United States)

Where: Iowa (41.6° N, 90.6° W: paleocoordinates 32.5° S, 36.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Andalusia Member (Lithograph City Formation), Late/Upper Givetian to Late/Upper Givetian (388.1 - 372.2 Ma)

• Late Givetian Strophodonta iowensis zone through Givetian/Frasnian S. n. sp. A. zone.

• member-level stratigraphic resolution

Environment/lithology: marine; shale and shelly/skeletal, argillaceous packstone

• Lithologies include shales and argillaceous skeletal packstones; massive dolomites interbedded with shaly 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 35490: authorized by Michael Foote, entered by Michael Foote on 17.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Strophomenida - Strophodontidae
 Athyridida - Athyrididae
 Terebratulida - Cranaenidae
Cranaena sp. Hall and Clarke 1893
C. n. sp.
 Spiriferinida - Cyrtinidae
 Spiriferida - Spinocyrtiidae
 Spiriferida - Adolfiidae
 Atrypida - Atrypidae
"Independatrypa independensis" = Desquamatia (Independatrypa)
"Independatrypa independensis" = Desquamatia (Independatrypa)
 Orthida - Schizophoriidae
Schizophoria lata Stainbrook 1940