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Dpaul7

Glicymeris americanus Bivalve

Probably James City Formation; found Aurora, North Carolina, USA
Lower Pleistocene (2.588 ± 0.005 and 0.781 ± 0.005 million years ago)
Glycymeris, common name the bittersweet clams, is a genus of saltwater clams, marine bivalve molluscs in the family Glycymerididae. These clams are very common in the fossil state, from Cretaceous period in the Valanginian age (from 112.6 to o 0.012 million years ago). Fossil shells of these molluscs can be found all over the world. Genus Glycymeris includes about 100 extinct species. The shells are generally biconvex, with equal valves round in outline, and slightly longer than wide. Their size varies from medium to large. The external ligament lacks transverse striations. These clams are a facultatively mobile infaunal suspension feeders.
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Pteriomorpha
Order: Arcoida
Family: Glycymerididae
Genus: Glycymeris
Species: americanus
 

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MY FOSSIL Collection - Dpaul7

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Photo Information

  • Taken with Canon Canon PowerShot SX120 IS
  • Focal Length 8.2 mm
  • Exposure Time 1/8
  • f Aperture f/3.2
  • ISO Speed 80

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