Penion subrectus (Ihering, 1899) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Austrosiphonidae genus Penion species Penion subrectus Name Synonyms Siphonalia dilatata var. subrecta Ihering, 1899 Homonyms Penion subrectus (Ihering, 1899)