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Palaeacanthocephala



Palaeacanthocephala
Scientific classification
Kingdom: Animalia
Subkingdom: Eumetazoa
Superphylum: Platyzoa
Phylum: Acanthocephala
Class: Palaeacanthocephala
Meyer, 1931
Orders

Echinorhynchida
Polymorphida

Palaeacanthocephala (ancient thorn head) is a class within the phylyum Acanthocephala. The adults of these parasitic worms feed mainly on fish, aquatic birds and mammals.The nuclei of the hyperdermis {outer layer of skin) are fragmented and the males have two to seven cement glands unlike their relatives the Archiacanthocephalans which always have eight.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Palaeacanthocephala". A list of authors is available in Wikipedia.
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