SYNOPSIS OF THE DESCRIBED TARDIGRADA OF THE WORLD
7/20/2006 
                                                         Recent        Fossil      Status
                                                      Gen.  Spec.    Gen.   Spec.
 
PHYLUM Tardigrada                                     105    1014      1       2   
 
CLASS      Eutardigrada                                49     619      1       2   
 
ORDER            Apochela                               3      14      0       1   
 
ORDER            Parachela                             46     605      1       1   Complete
 
CLASS      Heterotardigrada                            55     394      0       0   Complete
 
ORDER            Arthrotardigrada                      39     147      0       0   Complete
 
ORDER            Echiniscoidea                         16     247      0       0   Complete
 
CLASS      Mesotardigrada                               1       1      0       0   Complete
 
ORDER            Thermozodia                            1       1      0       0   Complete