Pleurotoma simpsoni Dall, 1887 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Drilliidae genus Lissodrillia species Lissodrillia simpsoni Name Homonyms Pleurotoma simpsoni Simpson, 1886 Pleurotoma simpsoni Dall, 1887