Polycystis Kölliker, 1845 Dataset Integrated Taxonomic Information System (ITIS) Rank GENUS Classification kingdom Animalia phylum Platyhelminthes class Rhabdocoela order Kalyptorhynchia family Polycystididae genus Polycystis Name Synonyms Polycystis georgii Graff, 1905 Polycystis intubata Graff, 1905 Polycystis intubata subsp. erythea Beklemischev, 1927 Polycystis irregulatus Nasonov, 1935 Zuccaria Marcus, 1948 Homonyms Polycystis (Kuetzing) Kuetzing Polycystis Kölliker, 1845