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Two new species of Digenea are described from the euryhaline fish, Leiostomus xanthurus, from near Ocean Springs, Mississippi. The first, Apocreadium manteri, is most like A. uroproctoferum Sogandares-Bernal, 1959, from which it differs by having multispined scales and larger eggs and not possessing a uroproct. The second, Lecithaster leiostomi, is most like L. gibbosus (Rudolphi, 1802) from which it differs primarily by having a more elongated seminal vesicle and stockier vitelline lobes. Lecithaster musteli Srivastava, 1966, is considered a synonym of L. confusus Odhner, 1905.