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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Cycloneritimorpha
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Trachyspiridae
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Trachydomia
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Littorina wheeleri
Natica variata
Naticopsis nodosus
Trachydomia newelli
Trachydomia nodulosum
Trachydomia oweni
Trachydomia sayeri
Trachydomia whitei
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Littorina wheeleri