Helixotionella spiralis (Chapman, 1913) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Bryozoa class Gymnolaemata order Cheilostomatida family Otionellidae genus Helixotionella species Helixotionella spiralis Name Synonyms Selenaria marginata var. spiralis Chapman, 1913 Homonyms Helixotionella spiralis (Chapman, 1913)