1 1/16" Dromaeosaur tooth, Bissekty Formation, Uzbekistan. A rare formation to obtain fossils. 90-92 Million years old, the Bissekty Formation has outcrop in the Kyzyl Kum desert of Uzbekistan. This rare tooth has a unique twist on the distal serrations. This is a very rare large dromaeosaur tooth, the actual animal would have been one of the largest to have ever lived.