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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Lophophorates (lophophorates)
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Brachiopoda (lamp-shells)
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Class Lingulata
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Order Lingulida
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Family Lingulidae
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Genus Glottidia
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Species Glottidia albida
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Species Glottidia audebarti
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Species Glottidia palmeri
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Species Glottidia pyramidata
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Species Glottidia semen
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