Family Laridae
Larus atlanticus Olrog
Maritrema bonaerensis Etchegoin & Martorelli, 1997 Microphallus szidati Martorelli, 1986
Larus cirrocephalus Vieillot
Stephanoprora uruguayense HolcmanSpector & Olague, 1989 Tanaisia fedtschenkoi Skrjabin, 1924
Larus dominicanus Lichtenstein
Bartolius pierrei Cremonte, 2001
Cryptocotyle sp.
Diplostomum minutum Szidat, 1964
Gymnophallus sp.
Himasthla escamosa Díaz & Cremonte, 2004 Levinseniella (M.) anenteron (Szidat, 1964) Deblock, 1978 . Maritrema bonaerensis Etchegoin & Martorelli, 1997 Maritrema orensensis Cremonte & Martorelli, 1998 Odhneria odhneri Travassos, 1921
Ornithobilharzia canaliculata (Rudolphi, 1849) Odhner, 1912 Stephanoprora brachyrhynchus Gupta, 1963 Stephanoprora uruguayense HolcmanSpector & Olague, 1989 Stephanoprora sp.
Stomylotrema vicarium Braun, 1901
Larus maculipennis Lichtenstein
Cardiocephaloides brandesii (Szidat, 1928) Sudarikov, 1959 Diplostomum minutum Szidat, 1964
Levinseniella (M.) anenteron (Szidat, 1964) Maritrema bonaerensis Etchegoin & Martorelli, 1997 Ornithobilharzia canaliculata (Rudolphi, 1849) Odhner, 1912 Psilochasmus oxyurus (Creplin, 1825) Lühe, 1910 Stephanoprora brachyrhynchus Gupta, 1963 Stephanoprora uruguayense HolcmanSpector & Olague, 1989 Tanaisia fedtschenkoi Skrjabin, 1924
Sterna hirundinacea Lesson.
Stephanoprora uruguayense HolcmanSpector & Olague, 1989