Electronic supplementary material, Dataset S3

Mean body sizes, approximated from the natural logarithm of the lower first or second molar area, and the proposed evolutionary relationships between mammalian genera from the late Clarkforkian and earliest Wasatchian (Cf3 to Wa0) of the Bighorn and Clarks Fork Basins, Wyoming, USA. For details of the dataset see caption for electronic supplementary material, dataset S1.