Trochomphalus dimidiatus (Koken, 1896) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Pleurotomariida family Planitrochidae genus Trochomphalus species Euomphalus dimidiatus Name Homonyms Trochomphalus dimidiatus (Koken, 1896)