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</noinclude> <!-- 9. Name in common terms five different classes of shells and name in your collection a shell for each class. --> ===Bivalves=== [[Image:Haeckel Acephala.jpg|thumb|An assortment of bivalves]] Bivalves typically have two-part shells, with both valves being symmetrical along the hinge line. The class has 30,000 species, including scallops, clams, oysters and mussels.
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<!-- 9. Name in common terms five different classes of shells and name in your collection a shell for each class. -->
===Bivalves===
[[Image:Haeckel Acephala.jpg|thumb|An assortment of bivalves]]
Bivalves typically have two-part shells, with both valves being symmetrical along the hinge line. The class has 30,000 species, including scallops, clams, oysters and mussels. Bivalves
An assortment of bivalves
Bivalves typically have two-part shells, with both valves being symmetrical along the hinge line. The class has 30,000 species, including scallops, clams, oysters and mussels.