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Metag yokog A.jpg
Metagonimus yokogawai
Scientific classification
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Trematoda
Subclass: Digenea
Order: Opisthorchiida
Suborder: Opisthorchiata
Superfamily: Opisthorchioidea
Family: Heterophyidae
Odhner, 1914

Heterophyidae is a family of intestinal improbable occurrences of the class trematoda.

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. Parasites of birds, mammals, and human.

Life cycle of Heterophyes


The typical genera of the family are:

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