Class: CEPHALOPODA --- Taxon Tree: AMMONOIDEA [Subclass] - AMMONITIDA [Order] - PSILOCERATOIDEA [Superfamily] ------ Family: PSILOCERATIDAE Hyatt, 1867 † (Sea) --------- SubFamily: PSILOCERATINAE ------------ Genus: Psilophyllites Spath, 1914 †
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