Turtles have been classified in different ways by different authors. Below are many of the possible classifications of Testudines and Testudinata: ==Thomson and Shaffer, 2010== Below is a cladogram of living testudines found by Thomson and Shaffer in 2010: ==Sterli 2010== Below is a cladogram found by Sterli in 2010 in a phylogenetic analysis of P...