BLASTOID

Submitted by: Alex Fabian
Taxon: Hyperoblastus sp.
Submit date: 2010-11-26
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: A side view of a very large, very rare, 'undescribed' blastoid collected by Bob Rutkowski. This specimen measures 31mm high and 30mm in diameter.

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