? dimidiatus Koken, 1896 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda order Pleurotomariida family Planitrochidae Name Homonyms ? dimidiatus Günther, 1877 ? dimidiatus Koken, 1896 ? dimidiatus Latreille, 1811 ? dimidiatus Schlegel, 1800