Cylindrotheristus xyaliformis (Wieser & Hopper, 1967) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Nematoda class Chromadorea order Monhysterida family Xyalidae genus Daptonema species Daptonema xyaliforme Name Homonyms Cylindrotheristus xyaliformis (Wieser & Hopper, 1967)