In the present work the authors propose a new species under the genus Lecithochirium Luehe, 1901, wich is enclosed in the third group of Freitas & Gomes distribuition (1971), nearest to L. manteri Freitas & Gomes, 1971, differing from it mainly by possessing open type sinus sac, externai ejaculatory vesicle lacking, seminal vesicle divided into 3 parts and bigger eggs. The authors present Pomatomus saltatrix (L.) as a new host record for Parahemiurus merus (Linton, 1910) Yamaguti, 1938, giving the variations they found in measurements. To Acanthocollaritrema umbilicatum Trav., Freitas & Bührnheim, 1965 they add the presence of complex genital atrium and for this reason suggest that probably Acanthocollaritrematinae Trav., Freitas & Bührnheim, 1965 must be put under Cryptogonimidae Ciurea, 1933. They also refer Bucephalopsis callicotyle Kohn, 1962, Microcotyle pomatomus Goto, 1899 (Polystomata) and some immature cestode under Trypanorhyncha Diesing, 1863 (Cestode), in Pomatomus saltatrix (L.).