The type specimen , formally described in 2009 , shows features not seen in previously known Northern Hemisphere ( Laurasian ) dromaeosaurids , but present in Southern Hemisphere ( Gondwanan ) species and early birds . The type specimen , formally named in 2010 , shows features not seen in previously known Northern Hemisphere ( Laurasian ) dromaeosaurids , but present in Southern Hemisphere ( Gondwanan ) species and early birds .