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 8484J Lunaschi, 1989 Lunaschi 1989 [933,1334,321,344] Trematoda Cladorchiidae Dadaytrema GBIF Animalia Plagiorchiida 5 96 Platyhelminthes species gracilis   Material deposited:MACN-Pa 594/1‒2 (new voucher material), MLP (type material).   Hosts:  Pimelodella gracilis(Valenciennes)(type host) ( Siluriformes: Heptapteridae),  Pterodoras granulosus* (Valenciennes)( Siluriformes: Doradidae).   Localities:Brazo Chico Stream (tributary of Uruguay River), Entre Rios Province (type locality), Paraná- Guazú River**, Entre Ríos Province.   Site of infection:Middle and posterior part of intestine.   References: Lunaschi (1989a), Arredondo (2013).  Remarks:New host and locality records. The present authors also recovered  D. gracilisin the type host.