| Ascaris osculata Rudolphi, 1802 |
| Ascaris renalis Goeze, 1782 |
| Ascaris simplex Rudolphi, 1809 |
| Ascaris spinicauda Olfers, 1819 |
| Ascaris tentaculata Rudolphi, 1819 |
| Ascaris uncinata Rudolphi, 1819 |
| Ascaris veligera Rudolphi, 1819 |
| Baylisascaris Sprent, 1968 |
| Baylisascaris columnaris (Leidy, 1856) Sprent, 1968 |
| Dujardinascaridinea Campana-Rouget, 1960 |
| Dujardinascaris Baylis, 1927 |
| Dujardinascaris antipini García-Reynoso, 1991 nec Mozgovoy, 1950 |
| Dujardinascaris cenotae (Pearse, 1936) Baylis, 1947 |
| Dujardinascaris helicina (Molin, 1860) Baylis, 1947 |
| Dujardinia Gedoelst, 1916 |
| Dujardinia cenotae Pearse, 1936 |
| Fusaria Zeder, 1800 |
| Fusaria depressa Zeder, 1800 |
| Hexametra Travassos, 1919 |
| Hexametra boddaertii (Baird, 1860) Kreis, 1944 |