Calocylindrus cucurbita Kirchner, 1878 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Actinotaenium species Actinotaenium cucurbita Name Homonyms Calocylindrus cucurbita Kirchner, 1878