Kingdom [Animalia] Linnaeus, 1758 - animals
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   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
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     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
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       Subdivision Bilateralia
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         Phylum Mollusca Linnaeus, 1758 - molluscs
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           Subphylum Conchifera Gegenbauer, 1878
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             Class Bivalvia Linnaeus, 1758 - bivalves
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               Order Eulamellibranchiata
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                 Suborder Schizodonta
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                   1 Superfamily Trigonioidea Lamarck, 1819
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                   2 Superfamily Unionoidea Rafinesque, 1820
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