Arjamannia cancellatula (Sedgwick & M'Coy, 1855) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Lophospiridae genus Arjamannia species Murchisonia cancellatula Name Homonyms Arjamannia cancellatula (Sedgwick & M'Coy, 1855)