Colonial Coral

Submitted by: Stan Hyne
Taxon: Spongophyllum alpenense
Submit date: 2008-03-12
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Potter Farm Formation
Age: Erian (Middle Devonian)
Submitter notes: A very nice colony measuring 100mm x 71mm. Commonly known as Petosky stone.

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