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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Annelida (segmented worms)
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Class Clitellata
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Order Rhynchobdellida
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Family Piscicolidae
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Genus Aestabdella
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Genus Austrobdella
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Genus Baicalobdella
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Genus Bdellamaris
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Genus Beringobdella
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Genus Branchellion
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Genus Calliobdella
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Genus Caspiobdella
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Genus Cystobranchus
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Genus Hemibdella
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Genus Johanssonia
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Genus Makarabdella
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Genus Malmiana
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Genus Mysidobdella
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Genus Myzobdella
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Genus Notobdella
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Genus Notostomum
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Genus Oceanobdella
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Genus Orientobdella
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Genus Ostreobdella
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Genus Oxytonostoma
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Genus Piscicola
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Genus Piscicolaria
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Genus Platybdella
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Genus Pontobdella
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Genus Stibarobdella
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Genus Trachelobdella
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