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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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Crustacea (shrimps, crabs, lobsters, water fleas, and relatives)
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Class Ostracoda
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Order Podocopida
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Superfamily Cytheroidea
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Family Trachyleberididae
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Genus Pterygocythereis
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Species Pterygocythereis alophia
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Species Pterygocythereis americana
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Species Pterygocythereis antiquata
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Species Pterygocythereis delicata
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Species Pterygocythereis emaciata
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Species Pterygocythereis fimbriata
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Species Pterygocythereis inexpectata
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Species Pterygocythereis jonesi
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Species Pterygocythereis miocenica
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Species Pterygocythereis mucronata
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Species Pterygocythereis semitranslucens
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