SYNOPSIS OF THE DESCRIBED NEMATODA OF THE WORLD
7/8/2007 
                                                         Recent        Fossil      Status
                                                      Gen.  Spec.    Gen.   Spec.
 
PHYLUM Nematoda                                      2897   24379     11      22   
 
CLASS      Chromadorea                               2139   17758      5       7   
 
SUBCLASS    Chromadoria                              2139   17758      5       7   
 
ORDER            Araeolaimida                          57     421      0       0   
 
ORDER            Chromadorida                         107     855      0       0   Complete
 
ORDER            Desmodorida                           87     745      0       0   Complete
 
ORDER            Desmoscolecida                        26     298      0       0   Complete
 
ORDER            Monhysterida                         105    1022      0       0   Complete
 
ORDER            Plectida                              74     554      2       2   Complete
 
ORDER            Rhabditida                          1683   13863      3       5   Complete
 
CLASS      Enoplea                                    717    6511      2      10   Complete
 
SUBCLASS    Dorylaimia                                472    4422      2      10   Complete
 
ORDER            Dioctophymatida                        5      37      0       0   Complete
 
ORDER            Dorylaimida                          258    2810      0       0   Complete
 
ORDER            Isolaimida                             1      11      0       0   Complete
 
ORDER            Marimermithida                         5       6      0       0   Complete
 
ORDER            Mermithida                           113     604      2      10   Complete
 
ORDER            Mononchida                            46     393      0       0   Complete
 
ORDER            Muspiceida                             9      14      0       0   Complete
 
ORDER            Trichinellida                         35     547      0       0   Complete
 
SUBCLASS    Enoplia                                   245    2089      0       0   Complete
 
ORDER            Enoplida                             203    1620      0       0   Complete
 
ORDER            Triplonchida                          42     469      0       0   Complete
 
CLASS      Nemataincertae                              41     110      4       5   Complete
 
ORDER            Benthimermithida                       2      33      0       0   Complete
 
ORDER            Nematodaincertae                      38      75      4       5   Complete
 
ORDER            Rhaptothyreida                         1       2      0       0   Complete