Class: HELCIONELLOIDA --- Taxon Tree: ARCHAEOBRANCHIA [Subclass] - HELCIONELLIFORMES [Order] - HELCIONELLOIDEA [Superfamily] ------ Family: HELCIONELLIDAE Wenz, 1938 † (Sea) ------------ Genus: Helcionella Grabau & Shimer, 1909 †
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Wrong data? please email to: Claudio Galli - last updated: 28/ago/2017
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