Polymorphida | |
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Corynosoma wegeneri | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Acanthocephala |
Class: | Palaeacanthocephala |
Order: | Polymorphida Petrochenko, 1956 |
Polymorphida are an order of thorny-headed worms (phylum Acanthocephala). The adults of these parasitic platyzoans feed mainly on fish and aquatic birds.
This order contains 5 families:[1][2]