Allantonematidae
Contortylenchus acuminati Ruhm, 1956
Contortylenchus amitini Ruhm, 1956
Contortylenchus cribicolli Ruhm, 1956
Contortylenchus cryphali Ruhm, 1956
Contortylenchus cunicularii (Fuchs, 1929)
Contortylenchus diplogaster (von Linstow, 1890)
Contortylenchus laricis (Fuchs, 1929)
Contortylenchus proximus Kakuliya, 1967
