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defining a mollusk univalves bivalves squids octopuses nautiluses tusk
How shells live26
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abalone Africa algae America animal areas auctions Australia beautiful bivalves bottom brown capsules Caribbean century chambered nautilus chank chitons clams coast coiled collectors color common Conch conchologists Cone Conus coral crab creatures Cypraea deep depths dozen dredged early eggs feed feet fish fleshy Florida foot fossil freshwater gastropods genus giant gills hundred inches Indo-Pacific Islands Japan known limpets Linné living malacologists mangroves mantle cavity marine Mediterranean million mollusks moon snails mouth Murex Museum mussels nautilus nudibranch ocean operculum outer lip oysters pearl periostracum Philippines pounds produced purple radular rare reefs resembling rocks sand scallop sea hares shallow shape shell collecting shipworm shores siphon slit shells snails soft Soft-shelled Clam South southwest Pacific species specimens Spider Conch spines squid Strombus surface tentacles tiny tropical tusk tusk shells two-inch-long univalves usually valves Volute West Indian West Indies whelks whorls