Helicometrina nimia Linton, 1910 (Digenea: Opecoelidae) in dusky grouper Epinephelus marginatus (Lowe, 1834) (Teleostei: Serranidae) from southeastern Brazil

by K. Roumbedakis, NC. Marchiori, P. Garcia, J Pereira Junior, LAS. Castro, ML. Martins