Where: Union County, Illinois (37.5° N, 89.2° W: paleocoordinates 11.0° S, 29.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Haney Formation (Golconda Group), Pendleian (330.9 - 327.0 Ma)

• Chesterian, Upper Mississippian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified mixed carbonate-siliciclastic sediments

Size class: macrofossils

Reposited in the FMNH

• University of Iowa (SUI) collection

•"excavation of the colony continued for a period of years" after 1964

Primary reference: D. B. Blake and T. E. Guensburg. 1989. Two new multiarmed Paleozoic (Mississippian) asteroids (Echinodermata) and some paleobiologic implications. Journal of Paleontology 63(3):331-340 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91182: authorized by Loic Villier, entered by Loic Villier on 09.09.2009

Creative Commons license: CC BY (attribution)