Saccocoelioides szidati Travassos, Freitas & Kohn, 1969

Material deposited: MACN-Pa (type material).

Host: Schizodon fasciatus Spix & Agassiz ( Characiformes: Anostomidae) (type host); L. obtusidens .

Localities: Middle Paraná River, in front of Rosario City, Santa Fe Province (type locality); Middle Paraná River, Corrientes Province.

Site of infection: Intestine.

References: Szidat (1954), Travassos et al. (1969), Hamann (1983).

Remarks: Referred to as Saccocoelioides sp. 6 by Szidat (1954).