| Toxascaris leonina (von Linstow, 1902) Leiper, 1907 |
| Toxocara Stiles, 1905 |
| Toxocara canis (Werner, 1782) Stiles, 1905 |
| Toxocara cati (Schrank, 1788) Brumpt, 1927 |
| Toxocara mystax (Zeder, 1800) Stiles, 1907 |
| Toxocarinae Hartwich, 1954 |
| Toxocarini Hartwich, 1954 |
| Toxocarinii Hartwich, 1954 |
| Travassosascaris Sprent, 1978 |
| Travassosascaris araujoi Sprent, 1978 |