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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Mollusca (clams, snails, squids, and relatives)
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Class Bivalvia
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Order Pholadomyoida
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Family Periplomatidae
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Genus Periploma
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Species Periploma abyssorum
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Species Periploma affine
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Species Periploma alaskanum
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Species Periploma aleuticum
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Species Periploma anguliferum
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Species Periploma discus
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Species Periploma fragile
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Species Periploma leanum
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Species Periploma margaritaceum
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Species Periploma orbiculare
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Species Periploma papyratium
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Species Periploma planiusculum
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Species Periploma tenerum
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