Interior of small Nautiloid

Submitted by: David Thompson
Taxon: Mooreoceras
Submit date: 2011-08-21
Location (approximate): Jackson, Jackson, MI
Stratigraphy: Marshall Formation
Age: Osagian (Early Mississippian)
Submitter notes: This is the interior of a small section of nautiloid, probably Mooreoceras, that shows the Siphuncle and straight septa of the nautiloid. The piece is less then 1 inch or 2. cm

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