• Deladenus aenea (Rao & Reddy, 1982)
• Deladenus andrassyi Vinciguerra, 1972 accepted as Deladenus durus (Cobb, 1922) Thorne, 1941
• Deladenus apopkaetus Chitambar, 1991
• Deladenus arboricola (Cobb, 1922)
• Deladenus aridus Andrássy, 1957
• Deladenus canii Bedding, 1974
• Deladenus crassus Zell, 1985 accepted as Deladenus aridus Andrássy, 1957
• Deladenus durus (Cobb, 1922) Thorne, 1941
• Deladenus imperialis Bedding, 1974
• Deladenus indicus Singh, 1976
• Deladenus ipini Massey, 1974
• Deladenus laricis (Blinova & Korenchenko, 1986)
• Deladenus leptosoma Gagarin, 2001
• Deladenus lonchites (Massey, 1974)
• Deladenus minimus Chizhov & Sturhan, 1998
• Deladenus nevexii Bedding, 1974
• Deladenus norimbergensis Rühm, 1956
• Deladenus obesus Thorne, 1941
• Deladenus pakistanensis Shahina & Maqbool, 1992
• Deladenus paradurus Massey, 1974 accepted as Deladenus durus (Cobb, 1922) Thorne, 1941
• Deladenus parvus Zell, 1985
• Deladenus proximus Bedding, 1974
• Deladenus rudyi Bedding, 1974
• Deladenus ruehmi (Andrássy, 1958)
• Deladenus saccatus Andrássy, 1954 accepted as Hadrodenus saccatus (Andrássy, 1954)
• Deladenus siricidicola Bedding, 1968
• Deladenus ulani Sultanalieva, 1983
• Deladenus wilsoni Bedding, 1968
• Paratylenchus abietis Eroshenko, 1974 accepted as Gracilacus abietis (Eroshenko, 1974)
• Paratylenchus aciculus Brown, 1959 accepted as Gracilacus aciculus (Brown, 1959)
• Paratylenchus acti Eroshenko, 1978
• Paratylenchus aculentus Brown, 1959 accepted as Gracilacus aculentus (Brown, 1959)
• Paratylenchus alleni Raski, 1975
• Paratylenchus amblycephalus Reuver, 1959
• Paratylenchus amundseni Bernard, 1982
• Paratylenchus anceps Cobb, 1923 accepted as Gracilacus anceps (Cobb, 1923)
• Paratylenchus aonli Misra & Edward, 1971 accepted as Gracilacus aonli (Misra & Edward, 1971)
• Paratylenchus aquaticus Merny, 1966
• Paratylenchus arculatus Luc & de Guiran, 1962
• Paratylenchus audriellae Brown, 1959 accepted as Gracilacus straeleni (de Coninck, 1931)
• Paratylenchus baldaccii Raski, 1975
• Paratylenchus besoekianus Bally & Reydon, 1931
• Paratylenchus bicaudatus Gubina, 1973
• Paratylenchus breviculus Raski, 1975
• Paratylenchus brevihastus Wu, 1962 accepted as Paratylenchus microdorus Raski, 1975
• Paratylenchus bukowinensis
• Paratylenchus canchicus Mohilal & Dhanachand, 2004
• Paratylenchus ciccaronei Raski, 1975
• Paratylenchus colbrani Raski, 1975
• Paratylenchus concavus Eroshenko, 1978
• Paratylenchus coronatus Colbran, 1965
• Paratylenchus crenatus Corbett, 1966 accepted as Gracilacus crenatus (Corbett, 1966)
• Paratylenchus curvitatus van der Linde, 1938
• Paratylenchus dianthus Jenkins & Taylor, 1956
• Paratylenchus discocephalus Siddiqi, Khan & Ganguly, 1990
• Paratylenchus duncani Siddiqi, Baujard & Mounport, 1993
• Paratylenchus elachistus Steiner, 1949
• Paratylenchus emarginatus Eroshenko, 1978
• Paratylenchus emmoti Dolinski, Souza & Huang, 1996
• Paratylenchus epicotylus Siddiqi, Khan & Ganguly, 1990
• Paratylenchus esculentus Brown, 1959
• Paratylenchus flectospiculus Huang & Raski, 1987
• Paratylenchus fueguensis Raski & Valenzuela, 1986
• Paratylenchus gabrici Yeates, 1973 accepted as Hemicriconemoides gabrici (Yeates, 1973)
• Paratylenchus goldeni Raski, 1975
• Paratylenchus goodeyi
• Paratylenchus guajavai Singh & Tandon, 2004
• Paratylenchus halophilus Wouts, 1966
• Paratylenchus hamatus Thorne & Allen, 1950
• Paratylenchus holdemani Raski, 1975
• Paratylenchus humilis Raski, 1975 accepted as Paratylenchus aquaticus Merny, 1966
• Paratylenchus israelensis (Raski, 1973)
• Paratylenchus italiensis Raski, 1975
• Paratylenchus ivorensis Luc & de Guiran, 1962 accepted as Gracilacus ivorensis (Luc & de Guiran, 1962)
• Paratylenchus juglansi Kaul & Waliullah, 1989
• Paratylenchus labiosus Anderson & Kimpinski, 1977
• Paratylenchus laocaiensis Nguyen, Baldwin & Choi, 2004
• Paratylenchus leiodermis Raski, 1975
• Paratylenchus lepidus Raski, 1975
• Paratylenchus leptos Raski, 1975
• Paratylenchus longicaudatus Raski, 1975
• Paratylenchus macrodorus Brzeski, 1963 accepted as Gracilacus macrodorus (Brzeski, 1963)
• Paratylenchus macrophallus (de Man, 1880)
• Paratylenchus marylandicus Jenkins, 1960 accepted as Gracilacus marylandicus (Jenkins, 1960)
• Paratylenchus mexicanus Raski, 1975
• Paratylenchus micoletzkyi Edward, Misra & Singh, 1967 accepted as Gracilacus micoletzkyi (Edward, Misra & Singh, 1967)
• Paratylenchus microdorus Andrássy, 1959
• Paratylenchus microdorus Raski, 1975
• Paratylenchus mimulus Raski, 1975
• Paratylenchus minor Sharma, Sharma & Khan, 1986
• Paratylenchus minusculus Tarjan, 1960
• Paratylenchus minutus Linford in Linford, Oliveria & Ishi, 1949
• Paratylenchus morius Yokoo, 1970
• Paratylenchus musae (Shahina & Maqbool, 1993)
• Paratylenchus mutabilis Colbran, 1969 accepted as Gracilacus mutabilis (Colbran, 1969)
• Paratylenchus nainianus Edward & Misra, 1963
• Paratylenchus nanus Cobb, 1923
• Paratylenchus nawadus Khan, Prasad & Mathur, 1967
• Paratylenchus neoamblycephalus Geraert, 1965
• Paratylenchus neonanus Mathur, Khan & Prasad, 1967