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Entity:

Cephalopoda (Class) - cephalopods ..†Actinoceratoidea (Subclass) ..[†Ammonoidea] (Order) ..†Ammonoidea (Subclass) ..[†Aptychi] ..†Bactritoidea (Subclass) ..[†Boletzkida] (Order) ..[Coleoida] (Subclass) ..Coleoidea (Subclass) ..[Coleoidea] ..[Decapoda] (Order) ..[Dibranchia] (Subclass) ..[Dibranchiata] (Subclass) ..†Ellesmeroceratoidea (Subclass) ..†Endoceratoidea (Subclass) ..[Nautiloida] (Subclass) ..Nautiloidea (Subclass) ..[Nautiloidea] ..[Octopida] (Order) ..†Orthoceratoidea (Subclass) ..[†Plectonocerida] (Order) ..[Pteropoda] ([unranked]) ..[Siphonopoda] ([unranked]) ..[Tetrabranchiata] (Subclass) ..[†Ammonoidea]

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Last updated: 28 Aug 2026