Submitted by: Michael Lask
Taxon: Platyceras rarispinum
Submit date: 2015-12-20
Location (approximate): Milan, Washtenaw, MI
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: 41 mm across. This snail would have been covered in long spines in life. Only the base of the spines are preserved in this specimen. Occasionally the spines are preserved and revealed with very careful preparation.

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