Deropegus patagonicus (Szidat, 1956)
Derogenes patagonicus Torres, 1995
Thometrema patagonica Lunaschi & Drago, 2000 (published in 2001)
Material deposited: IPCAS, MACN-Pa (type material), NSMT-PI.
Hosts: Percichthys trucha (type host), P. colhuapiensis, Salmo trutta, Salvelinus fontinalis .
Localities: Pellegrini Lake and Limay River, Río Negro Province [type locality not assigned by Szidat (1956)]; Aluminé and Huechulafquén Lakes, Neuquén Province.
Site of infection: Stomach.
References: Szidat (1956b), Shimazu et al. (2000), Lunaschi & Drago, 2000 (published in 2001).