Chouteau Association "B" (Carboniferous of the United States)

Where: Missouri (39.0° N, 92.6° W: paleocoordinates 24.1° S, 38.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Chouteau Formation, Kinderhookian (358.9 - 352.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, peloidal, gray, argillaceous wackestone

• light-gray, argillaceous, nodular bedded, pelletal lime wackestone.

Primary reference: D. K. Brezinski. 1986. Trilobite associations from the Chouteau Formation (Kinderhookian) of central Missouri. Journal of Paleontology 60(4):870-881 [J. Alroy/M. Sommers/J. Alroy]more details

PaleoDB collection 7390: authorized by John Alroy, entered by Mike Sommers on 26.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• strata also includes molluscs (bivalve and gastropods) brachiopods and crinoids.
Show authors, comments, and common names
Trilobita
 Proetida - Phillipsiidae
Griffithidella spp., Breviphillipsia sampsoni, Breviphillipsia semiteretis, "? Breviphillipsia swallowi" = Comptonaspis swallowi, ? Phillipsia sp.
Griffithidella spp. Hessler 1965 trilobite
Breviphillipsia sampsoni Vogdes 1888 trilobite
Breviphillipsia semiteretis Hessler 1963 trilobite
"? Breviphillipsia swallowi" = Comptonaspis swallowi Shumard 1855 trilobite
? Phillipsia sp. Portlock 1843 trilobite
 Proetida - Brachymetopidae
Brachymetopus sp., ? Namuropyge armata
Brachymetopus sp. M'Coy 1847 trilobite