BLASTOID

Submitted by: Stan Hyne
Taxon: Heteroschisma sp.
Submit date: 2010-11-26
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: A group of small Heteroschisma blastoids probably from the Genshaw member. The largest specimen measures 9.25mm tall and 7.1mm in diameter, The smallest is 4.7mm x 3.5mm in diameter.

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