Taxonomic information: pigmy rattlesnake

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)
                                 Sauria (no rank)
                                    Lepidosauria (superorder)
                                       Squamata (order)
                                          Serpentes (suborder)
                                             Colubroidea (superfamily)
                                                Viperidae (family)
                                                   Crotalinae (subfamily)
                                                      Sistrurus (genus)
                                                         Sistrurus miliarius (species)
                                                            pigmy rattlesnake (primary common name)
                                                               [hide inferior taxa]

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