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Included On The Following Pages:

• Life (biota)
• Cellular
• Eukaryota (eukaryotes)
• Opisthokonta (opisthokonts)
• Metazoa (animals)
• Bilateria (bilaterians)
• Protostomia (protostomes)
• Spiralia (spiralians)
• Mollusca (molluscs)
• Gastropoda (Snails and Slugs)
• Heterobranchia (Heterobranchs)
• Euthyneura
• Tectipleura
• Hygrophila
• Lymnaeoidea (Pond Snails, Bladder Snails, and Allies)
• Lymnaeidae (freshwater snails)
• Radix
• Radix auricularia (Big-eared Radix)

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