Trematoda, Digenea, Didymozoidae, Wedlia retrorbitalis (Yamaguti, 1970) and Wedlia submaxillaris (Yamaguti, 1970): First record in South America and the Atlantic Ocean.

Two species of Didymozoidae originally described from Pacific Ocean, Wedlia retrorbitalis and Wedliasubmaxillaris are reported for the first time in South America, Atlantic Ocean. W. retrorbitalis was found encysted inretrorbital adipose tissue and W. submaxillaris in the maxillary region of Thunnus obesus caught along the Rio de Janeirocoastline, extending their current geographical distribution. Original measurements and figures are presented.