Adult Trematodes (Platyhelminthes) of freshwater fishes from Argentina: a checklist Author Margarita Ostrowski de Núñez Author Nathalia J. Arredondo Author Alicia A. Gil de Pertierra text Revue suisse de Zoologie 2017 2017-03-31 124 1 91 113 journal article 31645 10.5281/zenodo.1040686 25402b49-ac0b-4370-925e-d2d7b6438e9b 0035-418 1040686 Parspina argentinensis ( Szidat, 1954 ) Proneochasmus argentinensis Szidat, 1954 Material deposited: MACN-Pa (type and voucher material). Hosts: Pimelodus maculatus [= Pimelodus clarias (Linnaeus) ] (type host), P. albicans , P. argenteus , Iheringichthys labrosus , Pimelodella gracilis , Parapimelodus valenciennis (Lütken) ( Siluriformes ; Pimelodidae ). Localities: La Plata River in front of Buenos Aires City (type locality); Colastiné River (tributary of Paraná River), Santa Fe Province; Paraná-Guazú River, Entre Ríos Province. Site of infection: Stomach, anterior, middle and posterior part of intestine. References: Szidat (1954) , Ostrowski de Núñez et al . (2011a) . Remarks: Ostrowski de Núñez et al . (2011a) redescribed and studied the tegument surface of the species.