Trilobite cephalon

Submitted by: ummp invertebrate paleontology
Taxon: Greenops aequituberculatus
Submit date: 2008-12-02
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Four Mile Dam Formation
Age: Erian (Middle Devonian)
Submitter notes: This specimen is 1.2 cm across.

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