Mississippian Amminoid from Lower Marshall Sandstone

Submitted by: David Thompson
Taxon: Mercanites
Submit date: 2008-03-12
Location (approximate): Jackson, Jackson, MI
Stratigraphy: Marshall Formation
Age: Osagian (Early Mississippian)
Submitter notes: This shows the more complex suturing of the amminoids compared to the nautiloids which are straight with simple rings. Unfortunately there is not too much of the fossil visible so identification is tentative. This is a typical example of the 'rusty' look of fossils in the Lower Marshall sandstone from th 'blue ridge esker' south of Jackson, MI

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