Polymorphida

Short description: Order of thorny-headed worms

Polymorphida

Corynosoma wegeneri
Scientific classification
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]

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

## References

1. ↑ "ITIS - Report: Polymorphida". https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=197470.
2. ↑ Huston, D. C., Cribb, T. H., & Smales, L. R. (2020). Molecular characterisation of acanthocephalans from Australian marine teleosts: proposal of a new family, synonymy of another and transfer of taxa between orders. Systematic Parasitology, 1-23.

See also Wikidata entry Q2544965.

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