abstract:Santanaraptor (meaning "Santana Formation thief") is a genus of theropod dinosaur that lived in South America during the Albian or Aptian stage of the Early Cretaceous, about 108 million years ago. It is known from a partial juvenile specimen recovered with fragments of mineralized soft tissue, including, muscle and skin tissue, but unfortunately not trace of the skins external covering, which was unearthed in 1996 from the Santana Formation of Ceará, northeastern Brazil.