- Ascaris adunca Rudolphi, 1802 accepted as Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981
- Ascaris decipiens Krabbe, 1878 accepted as Pseudoterranova decipiens (Krabbe, 1878) Gibson, 1983
- Ascaris falcigera Railliet & Henry, 1907 accepted as Contracaecum falcigerum (Railliet & Henry, 1907) Baylis, 1920 accepted as Contracaecum radiatum (Linstow, 1907) Baylis, 1920
- Ascaris osculata Rudolphi, 1802 accepted as Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920
- Ascaris radiata Linstow, 1907 accepted as Contracaecum radiatum (Linstow, 1907) Baylis, 1920
- Ascaris spiculigera Rudolphi, 1809 accepted as Contracaecum spiculigerum (Rudolphi, 1809) Railliet & Henry, 1912 accepted as Contracaecum rudolphii Hartwich, 1964
