Aspidisca major Madsen, 1931 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ciliophora class Hypotrichea order Euplotida family Aspidiscidae genus Aspidisca species Aspidisca major Name Homonyms Aspidisca major Madsen, 1931 Aspidisca major (Madsen, 1931) Kahl, 1930-5