Animalia | Nematoda | Secernentea | Ascaridida | Ascarididae | Toxocara
Biota | Animalia | Nematoda | Chromadorea | Chromadoria | Rhabditida | Spirurina | Ascaridomorpha | Ascaridoidea | Ascarididae | Toxocarinae | Toxocara | Toxocara cati
|  |  | Inglis, 1983 | Pearse, 1942 | Chitwood, 1933 | Railliet & Henry, 1915 | De Ley & Blaxter, 2002 | Baird, 1853 | Baird, 1853 | Hartwich, 1954 | Stiles & Hassall, 1905 | (Schrank, 1788) Baylis & Daubney, 1923