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Organisms in the intertidal zone

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Saccostrea Oysters

Phylum: Mollusca

Genus: Rock oyster

Order: Ostreoida

Rank: Species

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Littorina Periwinkles

Scientific name: Littorina

Higher classification: Littorinidae

Rank: Genus

Phylum: Mollusca

NB. There are at least 2 and possibly more species of periwinkle at our sites

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Buccinidae Whelks

Scientific name: Buccinidae

Phylum: Mollusca

Higher classification: Buccinoidea

Rank: Family

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Trochoidea Top Shells

Scientific name: Trochidae

Phylum: Mollusca

Higher classification: Trochoidea

Rank: Family

Link to a guide to rocky shore organisms in UK. Many will be similar to those in tropical waters

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