Paracavisoma impudica (Diesing, 1851) Kritscher, 1957

(syn. Echinorhynchus impudicus Diesing, 1851)

Actinopterygii Oxydoras kneri Bleeker ( Siluriformes, Doradidae). SI: intestine. SD: adult. L: Corrientes Province: Paraná River. R: Hamann and Lombardero (1981 –1982), Hamann (1982c), Chemes and Takemoto (2011). C: vouchers (CECOAL accession numbers not provided) (see note below).

Pimelodus maculatus Lacepède ( Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31°40’S, 60°46’W). R: Arredondo (2013).

Note. Hamann (1982c) reported this species as Echinorhynchus impudicus from Oxydoras kneri .