Cura patagonica (Borelli, 1901) | 1901 or earlier | | | Rio Santa Cruz, Patagonia, Argentina. |
Planaria similis Bohmig, 1902 | 1902 or earlier | | | southern Patagonia. |
Crassiplana albatrossi Hyman, 1955 | 2011 or earlier | | | |
Notocomplana palta (Marcus, 1954) | 2011 or earlier | | | |
Paravortex panopea Brusa, Vazquez & Cremonte, 2011 | 2011 or earlier | | | in the intestine lumen of Panopea abbreviata (Hiatellidae), and the razor clam, Ensis macha (Pharidae), in northern Patagonian gulfs. |
Syndesmis patagonica Brogger & Ivanov, 2010 | 2010 or earlier | | | from the intestinal tract of the sea urchin Arbacia dufresnii |