Vortex coronarius Zykoff, 1902 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Platyhelminthes order Rhabdocoela family Dalyelliidae genus Gieysztoria species Gieysztoria zykovi Name Homonyms Vortex coronarius Schmidt, 1858 Vortex coronarius Zykoff, 1902