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(a) Effect on topology and tree length of forcing Judithemys sukhanovi to the stem of Chelonioidea. This analysis also implemented a molecular backbone. (b) Reduced strict consensus tree of parsimony analysis employing no molecular backbone constraint. Green colour denotes Sinemydidae, orange Xinjiangchelyidae sensu Rabi et al.20 and blue Macrobaenidae sensu Brinkman et al.37.
