Gastropod from Mississippian Lower Marshall Sandstone

Submitted by: David Thompson
Taxon: amminoid , gastropod
Submit date: 2008-03-12
Location (approximate): Jackson, Jackson, MI
Stratigraphy: Marshall Formation
Age: Osagian (Early Mississippian)
Submitter notes: This is the reverse side of the previous example showing a gastropod (?) and a part of ammoniod (?) centered in this small block. This sandstone turns up in almost every parking lot in Michigan where cobble stones are used as fill around buildings. These were collected in the esker, however. A 25 cent piece for scale

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