Typical Unio of the Mississippi Valley type, showing exterior of right valve. This is a full-grown shell, but not an old one, as the dark epidermis is but little eroded at the beaks. 1898. Freshwater mussels.
Description:
Typical Unio of the Mississippi Valley type, showing exterior of right valve... This is a full-grown shell, but not an old one, as the dark epidermis is but little eroded at the beaks.
Included On The Following Pages:
- Life (creatures)
- Cellular (cellular organisms)
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (Animal)
- Bilateria
- Protostomia (protostomes)
- Spiralia (spiralians)
- Mollusca (molluscs)
- Bivalvia (mussels)
- Unionida
- Unionoidea
- Unionidae (unionid freshwater mussels)
- Unio
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- Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
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- Freshwater and Marine Image Bank
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