Hepatoxylon trichiuri (Holten,1802) Dollfus, 1942, Hepatoxylidae Dollfus, 1940 (Eucestoda: Trypanorhyncha) em Prionace glauca (Linnaeus, 1758), do litoral do estado do Rio Grande do Sul e em Coryphaena hippurus Linnaeus, 1758, do litoral do estado do Rio de Janeiro, Brasil

the prevalence was 86.4 % and mean intensity of infection was 9.1 of hepatoxylon trichiuri of prionace glauca, captured of the coastal waters of state of rio grande do sul, and the prevalence was 4.9% and intensity of infection was 1.0 of coryphaena hippurus, collected from a fish market of state of rio de janeiro. hepatoxylon trichiuri was recorded by the first time of prionace glauca in brazil.