Prosthiostomum emarginatum Leuckart, 1863 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Platyhelminthes class Turbellaria family Prosthiostomidae genus Prosthiostomum species Prosthiostomum siphunculus Name Homonyms Prosthiostomum emarginatum Leuckart, 1863