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Class: CEPHALOPODA --- Taxon Tree: AMMONOIDEA [Subclass] - CERATITIDA [Order] - CHORISTOCERATOIDEA [Superfamily] ------ Family: CHORISTOCERATIDAE Hyatt, 1900 † (Sea) ------------ Genus: Choristoceras Hauer , 1865 †
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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