| Citation | Hansson, H.G., 1998 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se |
| Ref. | 429 Hansson, H.G., 1998 |
| Page | 429 |
| Named Used as Valid | Ptychostomella helena |
| Locality | |
| Distribution | Poland. |