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Class: HELCIONELLOIDA --- Taxon Tree: ARCHAEOBRANCHIA [Subclass] - HELCIONELLIFORMES [Order] - YOCHELCIONELLOIDEA [Superfamily] ------ Family: RUGAECONIDAE Vassiljeva, 1990 † (Sea) ------------ Genus: Xianfengella He & Yang, 1982 †
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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