Family Viannaiidae

Travassostrongylus orloffi

Didelphis albiventris, Bello Horizonte, Brazil, Silva & Costa (1999).

Viannaia hamata

Didelphis albiventris, Bello Horizonte, Brazil, Silva & Costa (1999).

Viannaia sp.

Myocastor coypus, Unspecified locality, Gebauer (1932) and Schacher (1955) in Babero & Lee (1961).