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: Cerro Gordo Member (Lime Creek Formation), Frasnian (382.7 - 372.2 Ma)
• Member covers both Cyrtospirifer whitneyi and Elita inconsueta zones. This collection covers the former, and consists of a number of samples.
• member-level stratigraphic resolution
Environment/lithology: marine; shale and calcareous shale
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 35498: authorized by Michael Foote, entered by Michael Foote on 17.12.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
"Strophodonta unbonata" = Strophomena (Strophodonta), Strophonelloides reversa
"Strophodonta unbonata" = Strophomena (Strophodonta) | |
Douvillina arcuata Hall 1858 | |
Rhynchonellata | |
Gypidula cornuta Fenton and Fenton 1924 | |
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Pseudoatrypa devoniana Webster 1921 | |
Calvinaria bransoni Stainbrook 1948 | |