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

Also known as Strophodonta fauna, Lower 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 grainstone

• Correlative with Gizzard Creek Mbr., which is said to be transgressive.
• Stratigraphic column indicates limestone with brachiopods, molluscs, echinoderms, corals. Text says, "lower skeletal calcarenite unit of Witzke and others (1985)."

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 35483: authorized by Michael Foote, entered by Michael Foote on 17.12.2003, edited by Alycia Stigall

Creative Commons license: CC BY (attribution)

Taxonomic list

 Strophomenida - Strophodontidae
 Athyridida - Athyrididae
 Terebratulida - Cranaenidae
 Spiriferinida - Cyrtinidae
 Spiriferida - Spinocyrtiidae
 Atrypida - Atrypidae
Pseudatrypa rotunda
originally entered as "Pseudoatrypa rotunda"
"Independatrypa independensis" = Desquamatia (Independatrypa)
 Rhynchonellida - Stenoscismatidae
 Orthida - Schizophoriidae
Schizophoria lata Stainbrook 1940
 Craniida - Craniidae