| author | date | title | journal / publication | Kawakatsu M, Oki I, Tamura S, Sugino H | 1975 | Studies on the morphology, karyology and taxonomy of the Japanese freshwater planarian Dugesia japonica Ichikawa et Kawakatsu, with a description of a new subspecies, Dugesia japonica ryukyuensis subs | Bull Fuji Women's College 14: 81-126 [tc:p. nov.] |
|---|
| Dugesia japonica Ichikawa & Kawakatsu, 1964 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia japonica japonica Ichikawa & Kawakatsu, 1964 | w | latest taxonomic authority |