Dalyellia fairchildi polychaeta Nasonov, 1919 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Platyhelminthes order Rhabdocoela family Dalyelliidae genus Microdalyellia species Microdalyellia fairchildi Name Homonyms Dalyellia fairchildi polychaeta Nasonov, 1919