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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 Verticordiidae
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Genus Lyonsiella
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Species Lyonsiella abyssicola
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Species Lyonsiella alaskana
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Species Lyonsiella cordata
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Species Lyonsiella fragilis
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Species Lyonsiella gemma
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Species Lyonsiella quaylei
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Species Lyonsiella subquadrata
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Species Lyonsiella uschakovi
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