Quadrigyrus

Hoplerythrinus unitaeniatus (Spix & Agassiz) (Characiformes, Erythrinidae). SI: caeca, intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Hoplias malabaricus (Bloch) (Characiformes, Erythrinidae). SI: caeca, intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Luciopimelodus pati (Valenciennes) (Siluriformes, Pimelodidae). 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). Megalonema platanum (Günther) (Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Pimelodus albicans (Valenciennes) (Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Pimelodus maculatus Lacepède (Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Pseudoplatystoma fasciatum (Linnaeus) (Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Sorubim lima (Bloch & Schneider) (Siluriformes, Pimelodidae). SI: intestine. SD: adult. L: Santa Fe Province: Colastiné River (31 ° 40 ’ S, 60 ° 46 ’ W). R: Arredondo (2013). Ageneiosus inermis (Linnaeus) (Siluriformes, Auchenipteridae). 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).