| author | date | title | journal / publication | Gamble FW | 1900 | abs. | [Review of Graff's(1899)] Monographie der Turbellarien. II. Tricladida Terricola (Landplanarien) | Nature 62, 241–243 (1900). [doi: 10.1038/062241a0 goto] |
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| Bipalium bimaculatum Graff, 1882 | w | other research on this sp. |