Saccocoelioides elongatus Szidat, 1954
Material deposited: MACN-Pa (type material).
Host: Prochilodus lineatus (Valenciennes) (= Prochilodus platensis Holmberg) (type host).
Localities: La Plata River, in front of Buenos Aires City (type locality), Middle ParanĂ¡ River, Corrientes Province.
Site of infection: Intestine.
References: Szidat (1954), Hamann (1982c).
Remarks: Lunaschi (1996) considered Saccocoelioides elongatus junior synonym of Saccocoelioides nanii Szidat, 1954 . However, Kohn et al. (2007) considered this species valid (see Discussion).