Nuclearia Kufferath, 1952 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Protozoa phylum Choanozoa class Cristidiscoidea order Nucleariida family Nucleariidae genus Nuclearia Name Homonyms Nuclearia Cienkowsky, 1865 Nuclearia Kufferath, 1952 Nuclearia Jousseaume, 1884