Echinorhynchidae gen. sp.

Actinopterygii Austrolycus depressiceps Regan ( Perciformes, Zoarcidae). SI: rectum. SD: unknown. L: de los Estados Island, Tierra del Fuego Province. R: Gosztonyi (1970). Salmo trutta Linnaeus ( Salmoniformes, Salmonidae). SI: intestine. SD: unknown. L: Neuquén Province: Huechulafquen Lake (39º46’S, 71º20’W). R: Ortubay et al. (1994).