Iverson JB, Brown RM, Akre TS, Near TJ, Le M, Thomson RC, Starkey DE. 2007. In search of the tree of life for turtles. Pp 85-106 in: Shaffer HB, FitzSimmons NN, Georges A, Rhodin AGJ, eds., Defining Turtle Diversity: Proceedings of a Workshop on Genetics, Ethics, and Taxonomy of Freshwater Turtles and Tortoises. Chelonian Research Monographs, vol. 4.