| author | date | title | journal / publication | Sekera E | 1889 |  | Prispevsky ku zuamostem o Turbellaruch sladkovoduich. [In Polish?; German resume] | Sitz ber d k Bohm. Ges d Wissench Math.-Naturw 1888:304-346 [https://marinespecies.org/turbellarians/aphia.php?p=sourcedetails&id=237709 goto] | 
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