Schoch, R. R.; Sues, H.-D. (2015). "A Middle Triassic stem-turtle and the evolution of the turtle body plan". Nature. 523 (7562): 584–7. doi:10.1038/nature14472. PMID26106865.
Schoch, R. R.; Sues, H.-D. (2015). "A Middle Triassic stem-turtle and the evolution of the turtle body plan". Nature. 523 (7562): 584–7. doi:10.1038/nature14472. PMID26106865.