Class: CEPHALOPODA --- Taxon Tree: AMMONOIDEA [Subclass] - AMMONITIDA [Order] - PERISPHINCTOIDEA [Superfamily] ------ Family: POLYPTYCHITIDAE Wedekind, 1918 † (Sea) --------- SubFamily: TOLLIINAE ------------ Genus: Nikitinoceras (Russanovia) Bodylevsky, 1902 †
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