A Rostroconch from Alpena

Submitted by: David Thompson
Taxon: Rostroconchia
Submit date: 2007-02-14
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Potter Farm Formation
Age: Erian (Middle Devonian)
Submitter notes: Rostroconchs are unusual mollusk with some controversy over where it fits in the evolution of the Mollusca. The Rostroconchs have their two halves connected at the back and are not seperate halves as are Brachiopods or Pelecypods. They have been treated as primitive branches of evolution in Mollusks but are also seen as their own Taxon within the Mollusks. Their strangeness is what attracts me.

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