Gnathostomatinae Railliet

Luque, José L., Aguiar, Julio C., Vieira, Fabiano M., Gibson, David I. & Santos, Cláudia Portes, 2011, 3082, Zootaxa 3082, pp. 1-88 : 42-43

Subfamily Gnathostomatinae Railliet

Echinocephalus daileyi Deardoff, Brooks & Thorson —adult—FW– intestine

Hosts: Potamotrygon hystrix , P. motoro .

Locality: Itacuai River—AM.

References: Deardorff et al. (1981), Vicente et al. (1985), Thatcher (1991, 2006), Moravec (1998), Eiras et al. (2010).

Echinocephalus sp. —adult—FW—spiral valve

Host: Potamotrygon falkneri .

Locality: Upper Paraná River— PR.

References: Lacerda et al. (2008, 2009), Takemoto et al. (2009), Eiras et al. (2010).

Gnathostoma gracile (Diesing) —adult—FW—intestine

Syn.: Cheiracanthus gracilis Diesing

Host: Arapaima gigas .

Locality: Amazonas River Basin .

References: Diesing (1839), Travassos et al. (1928), Vicente et al. (1985), Moravec (1998), Eiras et al. (2010).