| author | date | title | journal / publication | Gelei J v | 1930 | "Echte" freie Nervenendigungen. (Bemerkungen zu den Receptoren der Turbellarien.) | Z Morphol Oekol Tiere 18: 786-798 |
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| Mesostoma lingua (Abildgaard, 1789) | [with synonyms] | w | other research on this sp. |