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]
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:
Centrorhynchidae Van Cleave, 1916 Isthomosacanthidae Smales, 2012 Plagiorhynchidae Meyer, 1931 Pyriprobosicidae Polymorphidae Meyer, 1931
