Penion subregularis (A.d'Orbigny, 1852) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Austrosiphonidae genus Penion species Penion subregularis Name Synonyms ? subregularis A.d'Orbigny, 1852 Fusus darwinianus R.A.Philippi, 1887 Fusus regularis G.B.Sowerby I, 1846 Fusus subregularis (A.d'Orbigny, 1852) Penion darwinianus (Philippi, 1887) Homonyms Penion subregularis (A.d'Orbigny, 1852)