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Class: CEPHALOPODA --- Taxon Tree: AMMONOIDEA [Subclass] - AMMONITIDA [Order] - ANCYLOCERATINA [Suborder] - ANCYLOCERATOIDEA [Superfamily] ------ Family: PTYCHOCERATIDAE Meek, 1876 † (Sea) ------------ Genus: Ptychoceras (Diptychoceras) Whiteaves, 1884 †
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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