| Acuariidae Railliet, Henry & Sisoff, 1912 |
| Acuariinae Railliet, Henry & Sissoff, 1912 |
| Desportesius Chabaud & Campana-Rouget, 1949 |
| Desportesius canadensis (Mawson, 1956) Skrjabin, Sobolev & Ivaschkin, 1965 |
| Desportesius triaenucha (Wrigth, 1879) Gibson, 1968 |
| Echinuria Soloviev, 1912 |
| Echinuria uncinata (Rudolphi, 1819) Soloviev, 1912 |
| Rusguniella Seurat, 1919 |
| Rusguniella arctica Ryzhikov, 1960 |
| Seuratiinae Chitwood & Wehr, 1932 |
| Sexansocara Sobolev & Sudarikov, 1939 |
| Sexansocara skrjabini Sobolev & Sudarikov, 1939 |
| Spiroptera Rudolphi, 1819 |
| Spiroptera (Gongylonema) Molin, 1857 |
| Spiroptera (Gongylonema) neoplastica Fibiger & Ditlevsen, 1914 |
| Spiroptera acuminata Molin, 1860 |
| Spiroptera contorta Rudolphi, 1819 |
| Spiroptera sexalata Molin, 1860 |
| Spiroptera uncinata Rudolphi, 1819 |
| Streptocara Railliet, Henry & Sissoff, 1912 |