Where: Crawford County, Indiana (38.2° N, 86.5° W: paleocoordinates 13.4° S, 29.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Indian Springs shale Member (Big Clifty Formation), Chesterian (335.5 - 323.2 Ma)

• Lower Chesterian

• member-level stratigraphic resolution

Environment/lithology: marine; lithified marl

Size class: macrofossils

Primary reference: D. B. Blake. 2002. Compsaster formosus Worthen & Miller (Asteroidea; Echinodermata): a Carboniferous homeomorph of post-Paleozoic Asteriidae. Paläontologische Zeitschrift 76(2):357-367 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26: authorized by John Alroy, entered by Mike Sommers on 20.11.1998, edited by Loic Villier

Creative Commons license: CC BY (attribution)