| author | date | title | journal / publication | Sluys R, Smolders I, Kawakatsu M, Pietsch TW, Kuranishi RB | 2009 | Freshwater Planarians (Platyhelminthes: Tricladida: Planariidae) from the Kuril Islands and Kamchatka | Species Diversity 14: 307-322 |
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| Seidlia elongata (Zabusova, 1929) | [with synonyms] | w | other research on this sp. | |
| Seidlia schmidti (Zabusov, 1916) | [with synonyms] | w | other research on this sp. |