Ascaridida
Anisakid larvae in the body cavity of an Atlantic herring
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Nematoda
Class: Chromadorea
Order: Ascaridida
Superfamilies
  • Ascaridoidea
  • Cosmocercoidea
  • Heterakoidea
  • Seuratoidea

The order Ascaridida includes several families of parasitic roundworms with three "lips" on the anterior end. They were formerly placed in the subclass Rhabditia by some, but morphological and DNA sequence data rather unequivocally assign them to the Spiruria. The Oxyurida and Rhigonematida are occasionally placed in the Ascaridida as superfamily Oxyuroidea, but while they seem indeed to be Spiruria, they are not as close to Ascaris as such a treatment would place them.[1] These "worms" contain a number of important parasites of humans and domestic animals.

Important families include:

These all belong in the superfamily Ascaridoidea.

References

  1. Tree of Life Web Project (ToL) (2002): Nematoda. Version of 2002-JAN-01. Retrieved 2008-NOV-02.


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