Barroisocaulus semiornata (Spitz, 1907) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Pleurotomariida family Murchisoniidae genus Barroisucaulus species Murchisonia semiornata Name Homonyms Barroisocaulus semiornata (Spitz, 1907)