Brachiopods of Upper Coralville Fm., Buffalo Quarry, Scott County, Iowa (Devonian of the United States)

Also known as Upper Athyris fauna, Upper Coralville Fm., Buffalo Quarry, Scott County, Iowa

Where: Scott County, Iowa (41.6° N, 90.6° W: paleocoordinates 34.7° S, 36.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Coralville Formation (Cedar Valley Group), Late/Upper Givetian (388.1 - 383.7 Ma)

• Late Givetian, Strophodonta plicata Zone.

• member-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal limestone

• Correlative with Gizzard Creek Mbr., which is said to be transgressive. "...probably represents an offshore subtidal facies of the sparsely fossiliferous peritidal facies of the Iowa City Member in Johnson County."
• Stratigraphic column indicates limestone with brachiopods, molluscs, echinoderms, corals.

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 35484: authorized by Michael Foote, entered by Michael Foote on 17.12.2003, edited by Alycia Stigall

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Strophodontidae
Rhynchonellata
 Athyridida - Athyrididae
 Spiriferinida - Cyrtinidae
 Spiriferida - Spinocyrtiidae
 Atrypida - Atrypidae
Pseudatrypa rotunda
originally entered as "Pseudoatrypa rotunda"