Where: Madison County, Iowa (43.3° N, 93.6° W: paleocoordinates 0.0° N, 24.9° W)

• coordinate based on nearby landmark

When: Muncie Creek Shale Member (Iola Formation), Missourian (306.0 - 303.7 Ma)

Environment/lithology: marine; shale

Collection methods: core

Primary reference: J. M. Malinky and P. H. Heckel. 1998. Paleoecology and taphonomy of faunal assemblages in gray "core" (offshore) shales in Midcontinent Pennsylvanian cyclothems. Palaios 13(4):311-334 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 149: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)