Class: CEPHALOPODA --- Taxon Tree: AMMONOIDEA [Subclass] - AGONIATITIDA [Order] - GEPHUROCERATOIDEA [Superfamily] ------ Family: PONTICERATIDAE Korn & Klug, 2002 † (Sea) --------- SubFamily: PONTICERATINAE ------------ Genus: Ponticeras Matern , 1929 †
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