Taxonomic information: Chelydra serpentina

the root (no rank)
   Eukaryota (domain)
      Metazoa (kingdom)
         Chordata (phylum)
            Craniata (subphylum)
               Vertebrata (no rank)
                  Gnathostomata (superclass)
                     Sarcopterygii (class)
                        Tetrapoda (no rank)
                           Amniota (no rank)
                              Sauropsida (no rank)
                                 Testudines (order)
                                    Cryptodira (suborder)
                                       Chelydridae (family)
                                          Chelydra serpentina (species)
                                             [show inferior taxa]

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