Brachiopods of lower Juniper Hill 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: Juniper Hill Member (Lime Creek Formation), Frasnian (382.7 - 372.2 Ma)

• Member covers both Nervostrophia thomasi and Douvillina arcuata zones. This collection includes samples CG-1 through CG-15, i.e. just below N. thomasi zone to top of this zone.

• member-level stratigraphic resolution

Environment/lithology: marine; shale

• Stratigraphic chart indicates shales.

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 35496: authorized by Michael Foote, entered by Michael Foote on 17.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Cyrtospiriferidae
 Atrypida - Atrypidae
 Orthida - Schizophoriidae
"Schizophoria iowensis" = Schizophoria (Schizophoria) iowensis
"Schizophoria iowensis" = Schizophoria (Schizophoria) iowensis Hall 1858
 Rhynchonellida - Leiorhynchidae
Strophomenata
 Productida - Monticuliferidae
 Strophomenida - Leptostrophiidae
Lingulata
 Lingulida - Lingulidae
Craniata
 Craniida - Craniidae
Petrocrania sp. Raymond 1910