ecofactbook
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species
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Animalia
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Mollusca
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Gastropoda
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Patellidae
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Helcion
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Helcion alveolus
Helcion carinatus
Helcion concolor
Helcion dunkeri
Helcion granulatus
Helcion pectinata
Helcion pectunculus
Helcion pruinosus
Helcion sexsulcatus
Helcion subovatus
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Helcion alveolus