Three-Dimensional Virtual Reconstruction (IMAGE) St. Petersburg State University Caption Three-dimensional virtual reconstruction of the braincase of the ankylosaur Bissektipelta archibaldi. Bones are semi-transparent and the internal contents of the endocranial cavity are seen. Pink - inner ear, yellow - nerves, red - major arteries, blue - veins and small arteries, light blue - endocranial cast. Credit Image provided by the authors of the paper. Usage Restrictions None License Licensed content 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.