Heterophyidae is a family of intestinal trematodes in the order Plagiorchiida. Description: "Tegument covered by spines. Oral sucker not armed or armed by cyrcumoral spines. Pharynx presented. Genital synus presented. Ventral and genital suckers usually not combined. Cirrus and bursa absent. Two testes located in posterior part of the body. Vitellaria in posterior part of the body." First intermediate hosts are molluscs of Prosobranchia, second intermediate hosts are fishes. Definite hosts are birds and mammals, including humans. Genera Acanthotrema Travassos, 1928 Alloheterophyes Pearson, 1999 Apophallus Lühe, 1909 Ascocotyle Looss, 1899 Centrocestus Looss, 1899 Cercarioides Witenberg, 1929 Condylocotyla Pearson & Prevot, 1985 Cryptocotyle Lühe, 1899 Dermocystis Stafford, 1905 Galactosomum Looss, 1899 Haplorchis Looss, 1899 Haplorchoides Chen, 1949 Heterophyes Cobbold, 1866 Heterophyopsis Tubangui & Africa, 1938 Heterotestophyes Leonov, 1957 Irinaia Caballero & Bravo-Hollis, 1966 Metagonimus Katsurada, 1912 Neostictodora Sogandares-Bernal, 1959 Opisthometra Poche, 1926 Pandiontrema Oshmarin, 1963 Phocitrema Goto & Ozaki, 1930 Phocitremoides Martin, 1950 Pholeter Odhner, 1915 Procerovum Onji & Nishio, 1916 Protoheterophyes Pearson, 2002 Pseudogalactosoma Yamaguti, 1942 Pseudopygidiopsis Yamaguti, 1971 Pygidiopsis Looss, 1907 Pygidiopsoides Martin, 1951 Scaphanocephalus Jägerskiöld, 1903 Sonkulitrema Ablasov & Chibichenko, 1960 Stellantchasmus Onji & Nishio, 1916 Stictodora Looss, 1899 Taphrogonymus Cohn, 1904 Tetracladium Kulachkova, 1954 References External links http://www.biology-online.org/dictionary/Heterophyidae https://web.archive.org/web/20110817025534/http://gelmintu.ru/klassy-rody-i-semejstva-gelmintov/semejstvo-heterophyidae-odhner-1914.html Trematode families