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Other images in Calvert Cliffs

Perna conradensa


Mussel Shells, Perna condensa

Middle Miocene

Choptank Formation

Excavated from matrix submerged in the Chesapeake Bay, about 10 feet off of  the beach at St. Leonard, MD, at low tide.

Internal molds from a Miocene mussel bed, left in fine clay and stabilized with Paleobond to prevent disintegration



Heather JM Siple


© Heather JM Siple 2018
From the album

Calvert Cliffs

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Photo Information for Perna conradensa

Taken with Canon Canon EOS 80D

  • 68 mm
  • 1/200
  • f f/16.0
  • ISO 4000
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