| author | date | title | journal / publication | Dahm AG | 1967 | A new Dugesia "microspecies" from Ghana belonging to the Dugesia gonocephala group. Turbellaria Tricladida Paludicola. | Ark. Zool. Ser. 2, 19: 309-321 |
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| Dugesia colapha Dahm, 1967 | w | primary taxonomic authority (describer) |