H. Bradley Shaffer; Evan McCartney-Melstad; Thomas J. Near; Genevieve G. Mount; Phillip Q. Spinks (2017). "Phylogenomic analyses of 539 highly informative loci dates a fully resolved time tree for the major clades of living turtles (Testudines)". Molecular Phylogenetics and Evolution. 115: 7–15. doi:10.1016/j.ympev.2017.07.006. PMID28711671.
H. Bradley Shaffer; Evan McCartney-Melstad; Thomas J. Near; Genevieve G. Mount; Phillip Q. Spinks (2017). "Phylogenomic analyses of 539 highly informative loci dates a fully resolved time tree for the major clades of living turtles (Testudines)". Molecular Phylogenetics and Evolution. 115: 7–15. doi:10.1016/j.ympev.2017.07.006. PMID28711671.