- Ascarophis arctica Polyansky, 1952
- Ascarophis extalicola Appy, 1981
- Ascarophis filiformis Poljansky, 1952
- Ascarophis sebastodis Olsen, 1952
- Caballeronema wardlei (Smedley, 1934) Margolis, 1977
- Cystidicoloides ephemeridarum (von Linstow, 1872) Moravec, 1981 accepted as Salmonema ephemeridarum (von Linstow, 1872) Moravec, Santos & Brasil-Sato, 2008
- Salmonema ephemeridarum (von Linstow, 1872) Moravec, Santos & Brasil-Sato, 2008
- Salvelinema walkeri (Ekbaum, 1935) Margolis, 1967
- Spinitectus cristatus Railliet & Henry, 1915