Pinna

phylum	Mollusca	Pinna is a genus of bivalve molluscs belonging to the family Pinnidae. The type species of the genus is Pinna rudis. The most completely studied species in the genus is P. nobilis, a Mediterranean pen shell which was historically important as the principal source of sea silk. For more information, visit the Wikipedia entry. Get back to Bivalvia
class	Bivalvia
Order	Pterioida
Family	Pinnidae
Genus	Pinna

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  AAA Pinna Clam