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Miocene Asarte Clam from Calvert Cliffs, Maryland

Jeffrey P

By Jeffrey P

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Glycymeris perilis (Bittersweet clam)
Miocene
Calvert Formation
anonymous beach
Calvert Co., Maryland

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From the album:

Tertiary

· 77 images
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Photo Information

  • Taken with Canon Canon PowerShot A470
  • Focal Length 6.3 mm
  • Exposure Time 1/60
  • f Aperture f/3.0
  • ISO Speed 200
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MikeR

This bivalve is Glycymeris parilis (Conrad, 1843). Do a google search of both Glycymeris and Astarte and you will see that the hinge is quite different between the two. Glycymeris demonstrates what is called Taxodont Dentition while that of Astarte is Heterodont.

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