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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 Aplacophora
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Order Not assigned
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Family Chaetodermatidae
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Genus Falcidens
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Species Falcidens caudatus
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Species Falcidens crossotus
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Species Falcidens hartmanae
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Species Falcidens longus
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Species Falcidens macracanthus
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Species Falcidens sagittiferus
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Species Falcidens sterreri
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Species Falcidens thorensis
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