FIGURE 7. Postcopemys maxumensis sp. nov., from the Maxum fossil site, Tassajera Formation, California; occlusal views of lower molars: 1, right m1 (UCMP 87892). 2, left m1 (holotype, UCMP 87890). 3, right m2 (UCMP 87898). 4, left m2 (UCMP 87910). 5, right m3 (UCMP 87927). 6, left m3 (UCMP 87923).