Quinisulcius curvus Williams, 1960 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Nematoda class Chromadorea order Rhabditida family Dolichodoridae genus Quinisulcius species Quinisulcius curvus Name Homonyms Quinisulcius curvus Williams, 1960 Quinisulcius curvus (Williams, 1960) Siddiqi, 1971