SYNOPSIS OF THE DESCRIBED NEMATOMORPHA OF THE WORLD
6/28/2006 
                                                         Recent        Fossil      Status
                                                      Gen.  Spec.    Gen.   Spec.
 
PHYLUM Nematomorpha                                    19     523      1       2   
 
CLASS      Nematomorpha                                19     523      1       2   
 
SUPERORDER     Gordioida
ORDER            Chordodea                             16     260      1       1   
 
ORDER            Gordioidea                             2     258      0       1   Complete
 
SUPERORDER     Nectonematidea
ORDER            Nectonematida                          1       5      0       0   Complete