| author | date | title | journal / publication | Zacharias O | 1894 | abs. | Faunistische Mittheilungen. Forschungsber. | Biol. Stat. Plön. Th. 2. Berlin 1894. pages 60, 83. |
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| Plagiostomum quadrioculatum Zacharias, 1894 | w | primary taxonomic authority (describer) | ||
| Microstomum inerme Zacharias, 1894 | w | primary taxonomic authority (describer) | 83 |