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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Mollusca (clams, snails, squids, and relatives)
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Class Cephalopoda
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Order Teuthida
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Family Cranchiidae
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Genus Bathothauma
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Genus Belonella
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Genus Cranchia
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Genus Drechselia
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Genus Egea
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Genus Galiteuthis
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Genus Helicocranchia
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Genus Leachia
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Genus Liguriella
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Genus Liocranchia
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Genus Megalocranchia
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Genus Mesonychoteuthis
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Genus Sandalops
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Genus Taonius
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Genus Teuthowenia
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