Genus:
Falcaustra >
Subfamily:
Kathlaniinae >
Family:
Kathlaniidae >
Superfamily:
Cosmocercoidea >
Infraorder:
Ascaridomorpha >
Suborder:
Spirurina >
Order:
Rhabditida >
Subclass:
Chromadoria >
Class:
Chromadorea >
Phylum:
Nematoda >
Kingdom:
Animalia >
Unranked:
Biota >