text: It is usually given its own subfamily , the Dromaeosaurinae ; this group is thought to include Utahraptor , Achillobator , Adasaurus and perhaps Deinonychus .
simplified: It is usually given its own subfamily , the Dromaeosaurinae ; this group is thought to include Utahraptor , Achillobator , Adasaurus , and possibly Deinonychus .