Streptotrochus cyclostoma (Whiteaves, 1884) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Trochida family Elasmonematidae genus Streptotrochus species Pleurotomaria cyclostoma Name Homonyms Streptotrochus cyclostoma (Whiteaves, 1884)