[Order] Hemiptera Linnaeus, 1758 - true bugs
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   Suborder Prosorrhyncha Sorensen et al., 1995
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     Infraorder Nepomorpha Popov, 1971
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       Superfamily Notonectoidea Latreille, 1802
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         Family Notonectidae (Leach, 1815) - backswimmers
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           1 Subfamily Anisopinae Hutchinson, 1929
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           2 Subfamily Notonectinae (Leach, 1815)
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