Gorytocephalus cf. elongorchis Thatcher, 1979

Actinopterygii Hypostomus commersonii Valenciennes ( Siluriformes, Loricariidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31°40’S, 60°46’W); Entre Ríos Province: Paraná-Guazú River (33°54’S, 58°52’W). R: Arredondo (2013).