Chiorchis dilatatus Daday, 1907 Adult Trematodes (Platyhelminthes) of freshwater fishes from Argentina: a checklist Margarita Ostrowski de Núñez Nathalia J. Arredondo Alicia A. Gil de Pertierra Revue suisse de Zoologie 2017 2017-03-31 124 1 91 113    Chiorchis dilatatus Daday, 1907   Material deposited:MACN-Pa 598 (new voucher material), information about type material not provided by Daday (1907).   Hosts:  Piaractus brachypomus(Cuvier)[=  Colossoma brachypomus(Cuvier)] (type host, Paraguay),  P. mesopotamicus[=  Colossoma mitrei(Berg)] ( Characiformes: Serrasalmidae),  P. granulosus,  Salminus brasiliensis*.   Localities:Paraguay (type locality); Paraná and Paraguay rivers confluence and Middle Paraná River near Corrientes City, Corrientes Province; Paraná- Guazú River**, Entre Ríos Province.   Site of infection:Intestine.    References: Daday(1907), Hamann (1982a, b), Arredondo (2013).  Remarks:New host and locality records. The description of this species was based on one specimen from Paraguay; it was not possible to trace where this specimen was deposited.