Animalia | Nematoda | Chromadorea | Rhabditida | Kathlaniidae | Falcaustra
Biota | Animalia | Nematoda | Chromadorea | Chromadoria | Rhabditida | Spirurina | Ascaridomorpha | Cosmocercoidea | Kathlaniidae | Kathlaniinae | Falcaustra
|  |  | Inglis, 1983 | Pearse, 1942 | Chitwood, 1933 | Railliet & Henry, 1915 | De Ley & Blaxter, 2002 | Railliet, 1916 | Lane, 1914 | Lane, 1914 | Lane, 1915