Metatarsal bone of Alpkarakush kyrgyzicus (IMAGE) Staatliche Naturwissenschaftliche Sammlungen Bayerns Caption The 165-million-year-old remains, such as this metatarsal bone of Alpkarakush kyrgyzicus, are embedded in the red sedimentary rocks of the Balabansai formation. Credit Oliver Wings Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.