Synchrotron reveals Early Triassic odd couple: injured amphibian and aestivating therapsid share burrow.

Fernandez, V., Abdala, F., Carlson, K., Collins Cook, D., Rubidge, B.S., Yates A and Tafforeau, P. Plos One 8(6): e64978. doi:10.1371/journal.pone.0064978. 2013