Filarioidea

Onchocercidae
Adult Loa loa filarial worm
Scientific classification
Kingdom:	Animalia
Phylum:	Nematoda
Class:	Secernentea
Order:	Spirurida
Superfamily:	Filarioidea Chabaud & Anderson, 1959

The Filarioidea are a superfamily of nematodes (roundworms). The members of this superfamily are known as filarial worms. Infections with parasitic filarial worms cause filariasis. Drugs against these worms are known as filaricides.

It consists of seven families: Aproctidae, Creagrocercidae, Drilonematidae, Filariidae, Homungellidae, Mesidionematidae, Scolecophilidae, Setariidae (which has a single genus Setaria), and Ungellidae.

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Wikipedia