#genus_Plethodon__Plethodon  type genus of the Plethodontidae
  supertype:  amphibian_genus__amphibiangenu  any genus of amphibians
  member of:  family_Plethodontidae
  member:  eastern_red-backed_salamander__Plethodon_cinereus  common salamander of eastern North America
  member:  western_red-backed_salamander__Plethodon_vehiculum  salamander of the Pacific coast of North America

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