| author | date | title | journal / publication | Mattes O | 1932 | abs. | Uber die Wirkungsweise und die Bedeutung der Turbellarien-Hautdrusen. | Zeit Schr Wiss Biol Abt A Zeitschr Morph U Okol Tiere 24(3/4): 743-767 |
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| Planaria lugubris Schmidt, 1861 | w | other research on this sp. | ||
| Planaria gonocephala Duges, 1830 | w | other research on this sp. | ||
| Dendrocoelum lacteum (Müller, 1773) | [with synonyms] | w | other research on this sp. | |
| Polycelis nigra (Müller, 1774) | [with synonyms] | w | other research on this sp. |