Tremanotus dilatatus (Portlock, 1843) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Sinuitidae genus Tremanotus species Tremanotus portlocki Name Homonyms Tremanotus dilatatus (Portlock, 1843) Tremanotus dilatatus Tremanotus dilatatus (de Sowerby & Murchison, 1839)