#terrapin  any of various edible North American web-footed turtles living in fresh or brackish water
  supertype:  turtle  any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
  member of:  family_Emydidae
  subtype:  diamondback_terrapin__diamondbackterrapin__Malaclemys_centrata  of marshes along Atlantic and Gulf coasts of United States

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