Etrema trigonostoma (Hervier, 1896) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Clathurellidae genus Etrema species Etrema trigonostoma Name Synonyms Clathurella longa Melvill & Standen, 1896 Glyphostoma trigonostomum Hervier, 1896 Homonyms Etrema trigonostoma (Hervier, 1896)