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Class Gastropoda

shell morphology (1)

shell morphology (2)

shell morphology (3)

Abalone (1)

Abalone (2)

Limpet

Cone snail

Conch (Strombus gigas) (1)

Conch (Strombus gigas) (2)

Olive

Cowrie

Terrestrial pulmonate snails

radula

Class Polyplacophora

Chiton

Class Bivalvia (=Pelycopoda)

Bivalve shell (external surface)

Bivalve shell (internal surface)

Shipworms (1)

Shipworms (2)

Zebra mussels

Scallops

glochidia

Class Cephalopoda

Nautilus (1)

Nautilus (2)

Sepia cuttlebone