| Citation | Lee, J.M. and C.Y. Chang, 2003 Two new marine Gastrotrichs of the Genus Ptychostomella (Macrodasyida, Thaumastodermatidae) from South Korea. Zoological Science 20:481-489. |
| Ref. | 1728 Lee, J.M. and C.Y. Chang, 2003 |
| Page | 1728 |
| Named Used as Valid | Ptychostomella helena |
| Locality | |
| Distribution | Baltic Sea, Poland. |