Brachiopods of lower Owen Mbr., Lime Creek Fm., North-Central Iowa (Devonian of the United States)

Where: Iowa (43.0° N, 93.0° W: paleocoordinates 29.2° S, 37.6° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Owen Member (Lime Creek Formation), Frasnian (382.7 - 372.2 Ma)

• Member covers both Elita inconsueta and Iowatrypa owenensis zones. This collection covers the former, and consists of a number of samples.

• member-level stratigraphic resolution

Environment/lithology: marine; argillaceous limestone and shale

• Stratigraphic chart indicates argillaceous limestone, shale, argillaceous dolomite, and dolomite.

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 35500: authorized by Michael Foote, entered by Michael Foote on 17.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Areostrophiidae
Floweria prava Hall 1858
 Strophomenida - Douvillinidae
Douvillina sp.
D. n. sp.
Rhynchonellata
 Terebratulida - Cranaenidae
 Pentamerida - Gypidulidae
Gypidula sp. Hall 1867
G. n. sp.
 Atrypida - Atrypidae
 Rhynchonellida - Stenoscismatidae
 Orthida - Rhipidomellidae
Rhipidomella sp.
R. n. sp.