Type species
    Crossonema civellae (Steiner, 1949) Mehta & Raski, 1971
        Syn.: Criconema civellae Steiner, 1949
            Ogma civellae (Steiner) Raski & Luc, 1987
            Ogma civellae civellae (Steiner, 1949) Raski & Luc, 1987 (Reay & Davies, 1998)
            Criconema celetum Wu, 1960
            Crossonema (Crossonema) celetum (Wu) Siddiqi, 1986
            Criconema eurysoma Golden & Friedman, 1964
            Crossonema (Crossonema) eurysoma (Golden & Friedman) Siddiqi, 1986
            Criconema vishwanathum Edward & Misra, 1966
            Crossonema (Crossonema) vishwanathum (Edward & Misra) Siddiqi, 1986

Other Species
    Crossonema abies Andrássy, 1979
        syn.  Neocrossonema abies (Andrássy) Ebsary 1981
              Ogma abies (Andrássy) Raski & Luc, 1987
    C. aquitanense (Fies, 1968) Mehta & Raski, 1971
        syn.  Criconema aquitanense Fies, 1968
              Crossonema (Crossonema) aquitanense (Fies) Mehta & Raski, 1971
              Neocrossonema aquitanense (Fies) Ebsary, 1981
              Crossonema aquitanense (Fies) Khan, Chawla & Saha, 1976
              Ogma aquitanense (Fies) Raski & Luc, 1987
    C. arboreum (Reay & Davies, 1998) Siddiqi, 2000
        syn.  Ogma civellae arboreum Reay & Davies, 1998
    C. bellum (Reay & Davies, 1998) Siddiqi, 2000
        syn.  Ogma bellum Reay & Davies, 1998
    C. capitospinosum Ebsary, 1979
        syn.  Neocrossonema capitospinosum (Ebsary) Ebsary, 1981
               Ogma capitospinosum (Ebsary) Raski & Luc, 1987
    C. centone Eroshenko, 1980
        syn.  Ogma centone (Eroshenko) Raski & Luc, 1987
    C. centurian Bajaj, 1998
    C. chrisbarnardi (Heyns, 1970) Loof & De Grisse, 1974
        syn.  Criconema chrisbarnardi Heyns, 1970
               Ogma chrisbarnardi (Heyns) Andrássy, 1979
               Syro chrisbarnardi (Heyns) Orton Williams, 1985
    C. coronatum (Schuurmans Stekhoven & Teunissen, 1938) Mehta & Raski, 1971
        syn.  Ogma coronatum Schuurmans Stekhoven & Teunissen, 1938
               Criconema coronatum (Schuurmans Stekhoven & Teunissen) de Coninck, 1943
               Crossonema (Crossonema) coronatum (Schuurmans Stekhoven & Teunissen, 1938) Mehta & Raski, 1971
               Seriespinula coronata (Schuurmans Stekhoven & Teunissen) Andrássy, 1979
               Syro coronatus (Schuurmans Stekhoven & Teunissen) Orton Williams, 1985
    C. dryum Minagawa, 1979
        syn.  Ogma dryum (Minagawa) Raski & Luc, 1987
    C. fimbriatum (Cobb in Taylor, 1936) Mehta & Raski, 1971
        syn.  Criconema fimbriatum Cobb in Taylor, 1936
               Crossonema fimbriatum (Cobb in Taylor) Khan, Chawla & Saha, 1976
               Neocrossonema fimbriatum (Cobb in Taylor) Ebsary. 1981
               Ogma fimbriatum (Cobb in Taylor) Raski & Luc, 1987
    C. fimcivatum Khan, Chawla & Saha, 1976
        syn.  Ogma fimcivatum (Khan, Chawla & Saha) Raski & Luc, 1987
    C. haguei (Reay & Davies, 1998) Siddiqi, 2000
        syn.  Ogma haguei Reay & Davies, 1998
    C. horridum Eroshenko, 1980
        syn.  Ogma horridum (Eroshenko, 1980) Raski & Luc, 1987
    C. latens Mehta & Raski, 1971
        syn.  Crossonema (Crossonema) latens Mehta & Raski, 1971
               Crossonema latens (Mehta & Raski) Khan, Chawla & Saha, 1976
               Ogma latens (Mehta & Raski) Raski & Luc, 1987
    C. louisi (Van den Berg, 1991) Siddiqi, 2000
        syn.  Ogma louisi Van den Berg, 1991
    C. malabaricum Muthukrishnan, 1987
    C. menzeli (Stefanski, 1924) Mehta & Raski, 1971
        syn.  Hoplolaimus menzeli Stefanski, 1924
               Iota menzeli (Stefanski) Micoletzky, 1925
               Criconema menzeli (Stefanski) Taylor, 1936
               Ogma menzeli (Stefanski) Schuurmans Stekhoven & Teunissen, 1938
               Crossonema (Crossonema) menzeli (Stefanski) Mehta & Raski, 1971
               Crossonema  menzeli (Stefanski) Khan, Chawla & Saha, 1976
               Neocrossonema menzeli (Stefanski) Ebsary, 1981
               Iota aculeata Schneider, 1939
               Criconema aculeatum (Schneider) de Coninck, 1943
               Crossonema (Crossonema) aculeatum (Schneider) Mehta & Raski, 1971
               Crossonema aculeatum (Schneider) Khan, Chawla & Saha, 1976
    C. multisquamatum (Kirjanova, 1948) Mehta & Raski, 1971
       syn.   Ogma  multisquamatum Kirjanova, 1948
               Criconema multisquamatum (Kirjanova) Chitwood, 1957
               Crossonema (Crossonema) multisquamatum (Kirjanova) Mehta & Raski, 1971
               Crossonema multisquamatum (Kirjanova) Khan, Chawla & Saha, 1976
    C. nepalense (Khan, Singh & Lal, 1998) Siddiqi, 2000
        syn.  Criconema nepalense Khan, Singh & Lal, 1998
    C. paracivellae (Decraemer & Geraert, 1992) Siddiqi, 2000
        syn.  Ogma paracivellae Decraemer & Geraert, 1992
    C. proclive (Hoffmann, 1973) Khan, Chawla & Saha, 1976
        syn.  Criconema proclive Hoffmann, 1973
               Crossonema proclive (Hoffmann) Andrássy, 1979
               Neocrossonema proclive (Hoffmann) Ebsary, 1981
               Ogma proclive (Hoffmann) Raski & Luc, 1987
    C. raskii Rahmani, Jairajpuri & Ahmad, 1985
        syn.  Ogma raskii (Rahmani, Jairajpuri & Ahmad) Raski & Luc, 1987
    C. taylatum Khan, Chawla & Saha, 1976
        syn.  Homogma taylatum (Khan, Chawla & Saha, 1976) Siddiqi, 1986
               Ogma (Homogma) taylatum (Khan, Chawla & Saha, 1976) Siddiqi, 1986
    C. taylori (Jairajpuri, 1964) Mehta & Raski, 1971
        syn.  Criconema taylori Jairajpuri, 1964
               Crossonema (Crossonema) taylori (Jairajpuri) Mehta & Raski, 1971
               Crossonema taylori (Jairajpuri) Khan, Chawla & Saha, 1976
               Ogma taylori (Jairajpuri, 1964) Siddiqi, 1986
    C. velutina Eroshenko, 1980
        syn.  Ogma velutinum (Eroshenko) Siddiqi in Raski & Luc (1987)
    C. villiferum Eroshenko, 1980
        syn.  Ogma villiferum (Eroshenko) Raski & Luc, 1987
    C. whianum (Reay & Davies, 1998) Siddiqi, 2000
        syn.  Ogma civellae whianum Reay & Davies, 1998

Species inquirenda
    Criconema georgiense Kirjanova, 1958
        syn.  Crossonema georgiense (Kirjanova) Ivanova, 1976
               Ogma georgiense (Kirjanova) Raski & Luc, 1987

(Siddiqi, 2000)

Crossonema Genus page