Theristus bastiani Wieser, 1972 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Nematoda class Chromadorea order Monhysterida family Xyalidae genus Theristus species Theristus bastiani Name Homonyms Theristus bastiani Gerlach & Riemann, 1973 Theristus bastiani Wieser, 1972