Spongurus cylindricus Haeckel, 1860 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista class Polycystina order Spumellaria family Spongodiscidae genus Spongurus species Spongurus cylindricus Name Synonyms Ommatogramma dumitricai Petrushevskaya, 1975 Spongocore cylindrica (Haeckel, 1862) Spongocore diplocylindrica Haeckel, 1887 Spongocore puella Haeckel, 1887 Homonyms Spongurus cylindricus Haeckel, 1860