Meramec River bridge section along I-44, St. Louis Co., Missouri (Carboniferous of the United States)

Where: St. Louis County, Missouri (38.6° N, 90.5° W: paleocoordinates 17.0° S, 35.9° W)

• coordinate based on nearby landmark

When: Gnathodus texanus conodont zone, Warsaw Formation, Arundian (346.7 - 340.0 Ma)

• JA: entered as Mississippian, but the Warsaw falls entirely within the Arundian (uppermost) part of the Gnathodus texanus zone (Work and Mason 2004)

Environment/lithology: marine

• no litho info given

Primary reference: W. I. Ausich and T. W. Kammer. 1991. Systematic revisions to Aorocrinus, Dorycrinus, Macrocrinus, Paradichocrinus, Strotocrinus, and Uperocrinus: Mississippian camerate crinoids (Echinodermata) from the stratotype region. Journal of Paleontology 65(6):936-944 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 726: authorized by John Alroy, entered by Mike Sommers on 02.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• list is only of crinoid material now known from this new location.
Show authors, comments, and common names
Crinoidea
 Monobathrida - Batocrinidae
Macrocrinus mundulus
Macrocrinus mundulus Hall 1859 Sea lily
 Monobathrida - Coelocrinidae
Dorycrinus gouldi