Nematoda
Chromadorea
Chromadoria
Rhabditida
Spirurina
Ascaridoidea

Family Ascarididae

  • Ascaridia
  • Ascaris
  • Baylisascaris
  • Heterakis (=Heterakidae)
  • Lagochilascaris
  • Parascaris
  • Toxocara
  • Toxascaris
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