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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 Hymenoptera
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Superfamily Apoidea
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Genus Dianthidium
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Species Dianthidium curvatum
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Infraspecies Dianthidium curvatum curvatum
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Infraspecies Dianthidium curvatum sayi
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Infraspecies Dianthidium curvatum xerophilum
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