side view of blastoid

Submitted by: David Thompson
Taxon: Heteroschisma alatum
Submit date: 2007-02-17
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Potter Farm Formation
Age: Erian (Middle Devonian)
Submitter notes: This is a view showing the ornamentation in the interambulacral area of this blastoid that is charactoristic for species identification.

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