* Orbocotyle marplatensis Euzet & Suriano, 1975

Type host. Prionotus nudigula (Ginsburg) (Pisces: Triglidae). Site of infection. Gills.

Type locality. Argentina, Buenos Aires Province, coast of Mar del Plata (38ºS, 57ºW). Holotype: MLP 6433 (cited as MLP P1).

Reference. Euzet & Suriano (1975).