| author | date | title | journal / publication | Marcus Er, Marcus EvDB-R | 1957 | Turbellaria. In: Inst. Royal Sci. Nat. Belg., Exploration hydrobiologique des Lacs Kivu, Edouard et Albert (1952-1954). | Resultats scientifiques Vol III fasc. 2:25-51. |
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| Vaillantiella caribumba Marcus, 1957 | w | primary taxonomic authority (describer) | ||
| Macrostomum tuba verbekei Marcus & Marcus, 1957 | w | primary taxonomic authority (describer) | 29-32 | |
| Sergia mancala Marcus & Marcus, 1957 | w | primary taxonomic authority (describer) | ||
| Neosergia mancala (Marcus & Marcus, 1957) | [with synonyms] | w | primary taxonomic authority (describer) |