Amphidromus contrarius crassa Fulton, 1899 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Camaenidae genus Amphidromus species Amphidromus crassus Name Homonyms Amphidromus contrarius var. crassa Fulton, 1899 Amphidromus contrarius crassa Fulton, 1899