#genus_Mononychus  authorities disagree over whether to classify the genus as bird or dinosaur
  supertype:  reptile_genus__reptilegenu  a genus of reptiles
  member of:  suborder_Maniraptora
  member:  Mononychus_olecranus  75-million-year-old turkey-sized long-legged fossil found in the Gobi Desert of Mongolia having birdlike fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short 3-inch-long forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute

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