Physaloptera retusa Rudolphi, 1819 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Nematoda class Chromadorea order Rhabditida family Physalopteridae genus Physaloptera species Physaloptera retusa Name Synonyms Physaloptera largada Sprehn, 1932 Physaloptera mucronata Leidy, 1856 Spiroptera retusa (Rudolphi, 1819) Homonyms Physaloptera retusa Rudolphi, 1819