Leucochloridiidae Poche, 1907

Leucochloridium flavum Travassos, 1922

Host: Omalonyx sp. (Gastropoda: Succineidae). Habitat: terrestrial.

Cercarian group: cercariaeum IM.

Definitive host group: birds.

Locality: Rio de Janeiro, RJ; undetermined locality, MT. References: Lutz (1921a), Travassos (1928b).

Leucochloridium sp.

Hosts: Omalonyx sp., Succinea meridionalis d'Orbigny (Gastropoda: Succineidae). Habitat: terrestrial.

Cercarian group: cercariaeum IM.

Definitive host group: birds.

Localities: Rio de Janeiro, RJ; Guaiba, RS. References: Lanzieri (1965), Thomé et al. (2006).

Paramphistomidae Fischoeder, 1901

Paramphistomum sp.

Hosts: B. tenagophila, Drepanotrema kermatoides (d'Orbigny) (Gastropoda: Planorbidae). Cercarian group: amphistome.

Habitat: freshwater.

Definitive host group: mammals.

Localities: Guaíba, Pelotas, Rio Grande, Santa Vitória do Palmar, Santo Antônio da Patrulha, RS. References: Santos et al. (1986), Veitenheimer-Mendes & Almeida-Caon (1989), Müller et al. (1992).