Crassicutis intermedius (Szidat, 1954)
Eocreadium intermedium Szidat, 1954
Material deposited: MACN-Pa 593/1‒2 (type and new voucher material).
Host: Hypostomus commersoni (Valenciennes) [= Plecostomus commersoni (Valenciennes)] (type host) ( Siluriformes: Loricariidae).
Localities: La Plata River, Buenos Aires City (type locality); Paraná-Guazú River**, Entre Ríos Province.
Site of infection: Stomach.
References: Szidat (1954), Arredondo (2013).
Remarks: New locality record. Bray et al. (1996) redescribed this species from Hypostomus cochliodon (Kner) and Hypostomus commersoni, Paraná River (Itapúa Province) and Hypostomus piratatu Weber, Santa Sofía Ranch, Concepción Province, Paraguay.