First report of the genera Macvicaria Gibson & Bray, 1982, Pachycreadium Manter, 1954 and Saturnius manter, 1969 (Trematoda: Digenea), in brazilian marine fishes

Macvicaria crassigula (Linton, 1910) (Opecoelidae) is referred from the intestine of Micropogonias furnieri and from Stellifer rastrifer; and from Stellifer rastrifer, and Saturnius maurepasi Overstreet, 1977 (Bunocotylidae) from the stomach of Mugil liza. This is the first report of these species in Brazil, and a new host records are presented

Dinosoma clupeola sp. n. (Hemiuridae) and Pseudoacanthostomum floridensis Nahhas & short, 1965 (Acanthostomidae), digenetic trematodes in Brazilian Marine fishes

Dinosoma clupeola sp. n. é descrito de Harengula clupeola, e assemelha-se a D. hawaiiense Yamaguti, 1970, da qual difere pela vesícula seminal que é inteira, sacular alongada, e näo signóide e torcida em duas ou três porçöes, pelo tegumento que é fracamente plicado, e näo liso, pelo meneor tamanho do corpo e dos órgäos internos e pelos ovos que säo ligeiramente maiores e mais estreitos. Pseudoacanthostomum floridensis Nahhas & Shsort, 1965 é referido em um novo hospedeiro: Netuma barba

Schikhobalotrema solitaria sp. n. and S. acanthuri Yamaguti, 1970 (Haplosplanchnidae: Digenea) in Brazilian marine fishes

Schikhobalotrema solitaria sp. n. is described from Stephanolepis hispidus (Linnaeus, 1758), and is characterized by the relation between oral sucker and pharynx 1:1,1. This Relation in the other species ranges between 1:0.3-0.6. It is more similar to S. manteri Siddiqi & Cable, 1960 in the distribution of vitellaria, differing from it in the size of vitelline follicles, extension of uterus and in the size of the eggs. S. acanthuri Yamaguti, 1970 is referred for the first time in South America in Mugil liza Valenciennes, 1836 representing a new host record.