- Achylostoma Dubini, 1850
- Afrancylostoma Biocca & Le Roux, 1958
- Agchilostoma Chiaje, 1846
- Agchylostoma Dubini, 1843
- Amerancylostoma Biocca & Le Roux, 1958
- Anchilostoma Sonsino, 1874
- Anchylostamum Moehlau, 1897
- Anchylostoma Pruner, 1847
- Anchylostomata da Rocha, 1868
- Anchylostomia Henderson, 1903
- Anchylostomos Wucherer, 1868
- Anchylostomum Diesing, 1851
- Anckylostomum Schifone, 1908
- Ancylostomom Molin, 1861
- Ancylostomum Diesing, 1851
- Ancylostormum Schifone, 1908
- Anghylostoma La Clínica de Málaga, 1883
- Anhylostoma Parona & Grassi, 1877
- Ankylostoma Lutz, 1885
- Ankylostomum Bugnion, 1881
- Anquilostoma Rodriguez Mendez, 1882
- Anylostomum Rátz, 1898
- Archilostoma Pieri, 1907
- Auchylostoma Dunbar, 1904
- Ceylancylostoma Lane, 1916
- Diploodon Molin, 1861
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