Mesotheristus crassissimus (Ditlevsen, 1911) Wieser, 1956 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Nematoda class Chromadorea order Monhysterida family Xyalidae genus Daptonema species Daptonema setosum Name Homonyms Mesotheristus crassissimus (Ditlevsen, 1911) Wieser, 1956