Genus:
Hysterothylacium >
Tribe:
Raphidascaridinea >
Subfamily:
Raphidascaridinae >
Family:
Raphidascarididae >
Superfamily:
Ascaridoidea >
Infraorder:
Ascaridomorpha >
Suborder:
Spirurina >
Order:
Rhabditida >
Subclass:
Chromadoria >
Class:
Chromadorea >
Phylum:
Nematoda >
Kingdom:
Animalia >
Unranked:
Biota >