| author | date | title | journal / publication | Kawakatsu M, Teshirogi W, Fujiwara H | 1970 | Report on the ecological survey of freshwater planarians in the eastern part of Aomori Prefecture, Honshu, with a note on the southern limit of distribution of Polycelis sapporo and Dendrocoelopsis lacteus. | Bull. Fuji Women's Coll. 8(2): 127-141 |
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