| author | date | title | journal / publication | Lenguas FM, Negrete L, Martinez-Aquino A, Damborenea C, Brusa F | 2021 | abs. | Two new freshwater planarian species (Platyhelminthes: Tricladida: Dugesiidae) partially sympatric in Argentinean Patagonia. | Canadian Journal of Zoology, Vol. 99(4): 269-278 [doi: 10.1139/cjz-2020-0169 goto] |
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| Girardia somuncura Lenguas, Negrete, Martinez-Aquino, Damborenea & Brusa, 2021 | - | primary taxonomic authority (describer) | 271 | |
| Girardia tomasi Lenguas, Negrete, Martinez-Aquino, Damborenea & Brusa, 2021 | - | primary taxonomic authority (describer) | 273 |