Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2017-09-14T00:27:35Z No. of bitstreams: 1 200804.pdf: 6990682 bytes, checksum: 2b075c44fc780afa996e3d3d26988459 (MD5) / Made available in DSpace on 2017-09-14T00:27:35Z (GMT). No. of bitstreams: 1 200804.pdf: 6990682 bytes, checksum: 2b075c44fc780afa996e3d3d26988459 (MD5) Previous issue date: 1980 / Com a finalidade de ampliar o conhecimento dos helmintos parasitas de aves, no presente trabalho são estudados os trematódeos da família Cyclocoelidae Kossack, 1911 que ocorrem no Brasil; Cyclocoelum(Cyclocoelum)mutabile (Zeder, 1800) Stossich, 1902, Cyclocoelum(Cyclocoelum)phasidi Stunkard, 1929,Cyclocoelum (Haematotrephus)vanelli (Rudolphi, 1819) Dubois, 1965, Cyclocoelum(Haematotrephus)brasilianum Stossich, 1902, Ophthalmophagus magalhaesi Travasses, 1921, Typhlocoelum cucumerinum (Rudolphi, 1809) Stossich, 1902 e Neivaia cymbium (Diesing, 1850) Dubois, 1959, distribuidos em doze espécies de aves,-pertencentes a cinco diferentes famílias, em vários Estados do Brasil. Cyclocoelum(Cyclocoelum)mutabile, Cyclocoelum(Cyclocoelum)phasidi e Cyclocoelum(Haematotrephus)vanelli são referidos pela primeira vez em nosso território, e em novos hospedeiros. Também é referida em quatro novos hospedeiros a espécie Neivaia cymbium. / ln order to extend the knowledge concerning parasite helminths recovered from Brazilian birds, some trematodes under Cyclocoelidae Kossack, 1911 are studied. Cyclocoelum (Cyclocoelum) mutabile (Zeder, 1800) Stossich, 1902, Cyclocoelum (Cyclocoelum) phasidi Stunkard, 1929, Cyclocoelum(Haematotrephus)vanelli (Rudolphi, 1819) Dubois, 1965, Cyclocoelum (Haematotrephus) brasilianum Stossich, 1902, Ophthalmophagus magalhaesi Travassos, 1921, Typhlocoelum cucumerinum (Rudolphi, 1809) Stossich, 1902 and Neivaia cymbium (Diesing, 1850) Dubois, 1959. Cyclocoelum(Cyclocoelum)mutabile, Cyclocoelum(Cyclocoelum) phasidi and Cyclocoelum(Haematotrephus)vanelli are referred in Brazil for the first time, and consist new host records. Neivaia cymbium is also referred in four new hosts. Original camera lucida drawings of the studied species as well as a table with their geographical distribution are presented. The systematical classification of the studied family is also brought up to date.