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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Arthropoda (arthropods)
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Order Archaeognatha
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Genus Mesomachilis
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Species Mesomachilis californica
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Species Mesomachilis canadensis
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Species Mesomachilis leechi
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Species Mesomachilis mexicana
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Species Mesomachilis nearcticus
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Species Mesomachilis strenua
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