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Mollusc shell

1:13

Mollusk coming out of the shell - Channeled whelk

3:20

Molluscan Shell (B.Sc. Zoology), Physiology Gurukpo

0:45

Mollusc shells take a beating without shattering

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Giant ancient mollusc found alive for the first time

1:21

Logarithmic spiral mollusc shells

The mollusc shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled molluscs live in the sea; many live on the land and in freshwater.
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    • Formation 

    • Structure 

    • Evolution 

    • Pattern formation 

    • Varieties 

    • Damage to shells in collections