| Heligmosominae Travassos, 1914 |
| Heligmosomini Travassos, 1914 |
| Heligmosominii Travassos, 1914 |
| Heligmosomoides Hall, 1916 |
| Heligmosomoides polygyrus (Dujardin, 1845) Boulenger, 1922 |
| Heligmosomum Railliet & Henry, 1909 |
| Heligmosomum brasiliense Travassos, 1914 |
| Heligmosomum vexillatum Hall, 1916 |
| Histiostrongylus Molin, 1861 |
| Histiostrongylus coronatus Molin, 1861 |
| Histiostrongylus parnelli Webster, 1971 |
| Hoineffia Diaw, 1976 |
| Hoineffia simplicispicula Navone, Suriano & Pujol, 1991 |
| Lamothiella González-Ortega, 1984 |
| Lamothiella romerolagi González-Ortega, 1984 |
| Linustrongylus Vaucher & Durette-Desset, 1986 |
| Linustrongylus pteronoti Vaucher & Durette-Desset, 1986 |
| Longistriata Schulz, 1926 |
| Longistriata adunca Chandler, 1932 |
| Longistriata carolinensis Dikmans, 1935 |