The<unk>  are a superfamily of highly specialised parasitic nematodes. Species within this superfamily are known as filarial worms or filariae (singular filaria). Infections with parasitic filarial worms cause disease conditions generically known as filariasis. Drugs against these worms are known as filaricides.
Filarioidea
Echinostoma
Camptocormia
Microfilaria
Boswellia
Elizabethkingia
Mammillaria 
Hexamita