SYNOPSIS OF THE DESCRIBED GASTROTRICHA OF THE WORLD
12/11/2006
                                                         Recent        Fossil      Status
                                                      Gen.  Spec.    Gen.   Spec.

PHYLUM Gastrotricha                                    64     744      0       0

CLASS      Gastrotricha                                64     744      0       0

ORDER            Chaetonotida                          33     480      0       0   Complete

ORDER            Macrodasyida                          31     264      0       0   Complete