Derogenidae Nicoll, 1910
Halipegus dubius Klein, 1905
Host: Biomphalaria glabrata (Say) (Gastropoda: Planorbidae). Cercarian group: cystophorous.
Habitat: freshwater.
Definitive host group: amphibians. Locality: Belo Horizonte, MG.
Reference: Paraense (1992).