Trilobite

Submitted by: Pat Rutkowski
Taxon: Dipleura dekayi
Submit date: 2008-03-12
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This very rare enrolled trilobite would easily measure over 100mm(4 inches) if it was prone. The above photo shows the specimen from a side view. the trilobite is 55mm wide in this view.

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