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Taxon: stem-group bilaterians Hatschek, 1888 (animal)
Classification by:

stem-group bilaterians Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
   Family †Siphusauctidae O'Brien & Caron, 2012

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Last updated: 28 Aug 2026