Where: Iowa (40.3° N, 91.4° W: paleocoordinates 13.2° S, 35.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Warsaw Formation, Meramecian (345.0 - 336.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the CM

Primary reference: D. B. Blake and D. R. Elliott. 2003. Ossicular homologies, systematics, and phylogenetic implications of certain North American Carboniferous asteroids (Echinodermata). Journal of Paleontology 77(3):476-489 [L. Villier/L. Villier] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91186: authorized by Loic Villier, entered by Loic Villier on 10.09.2009