Gateway to the Paleobiology Database
West side of Old US169 (Swope Fm., Madison Co., IA) (Carboniferous of the United States)

Where: Madison County, Iowa (41.3° N, 94.0° W: paleocoordinates 1.5° S, 26.1° W)

• coordinate based on nearby landmark

When: Hushpuckney Shale Member (Swope Formation), Missourian (305.9 - 303.4 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 126: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)