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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 Arhynchobdellida
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Family Hirudinidae
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Genus Hirudo
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Genus Hirudobdella
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Genus Limnobdella
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Genus Macrobdella
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Genus Ornithobdella
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Genus Oxyuptychus
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Genus Philobdella
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Genus Pintobdella
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Genus Poecilobdella
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Genus Richardsonianus
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