Gracilisentis variabilis (Diesing, 1851) Petrochenko 1956

(syn. Echinorhynchus variabilis Diesing, 1851; Neoechinorhynchus variabilis Diesing, 1851) (nec Diesing, 1856)

Actinopterygii Prochilodus lineatus (Valenciennes) ( Characiformes, Prochilodontidae). SI: intestine. SD: adult. L: Corrientes Province: Paraná River. R: Hamann and Lombardero (1981 –1982), Hamann (1982b), Chemes and Takemoto (2011). Note. The host was reported as Prochilodus platensis by Hamann (1982b), but the current accepted name is Prochilodus lineatus . The acanthocephalans collected in this fish were reported as Neoechinorhynchus variabilis by Hamann (1982b).